Add denyexecmem patch
This commit is contained in:
Dan Walsh
parent
4147fe8cd2
commit
6b27a2e362
317
denyexecmem.patch
Normal file
317
denyexecmem.patch
Normal file
@ -0,0 +1,317 @@
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diff -up serefpolicy-3.10.0/policy/global_tunables.denyexecmem serefpolicy-3.10.0/policy/global_tunables
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--- serefpolicy-3.10.0/policy/global_tunables.denyexecmem 2011-11-08 16:11:51.764047705 -0500
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+++ serefpolicy-3.10.0/policy/global_tunables 2011-11-08 16:11:52.028047558 -0500
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@@ -20,10 +20,10 @@ gen_tunable(allow_execheap,false)
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## <desc>
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## <p>
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-## Allow unconfined executables to map a memory region as both executable and writable, this is dangerous and the executable should be reported in bugzilla
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+## Deny user domains applications to map a memory region as both executable and writable, this is dangerous and the executable should be reported in bugzilla
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## </p>
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## </desc>
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-gen_tunable(allow_execmem,false)
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+gen_tunable(deny_execmem,false)
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## <desc>
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## <p>
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diff -up serefpolicy-3.10.0/policy/modules/admin/rpm.te.denyexecmem serefpolicy-3.10.0/policy/modules/admin/rpm.te
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--- serefpolicy-3.10.0/policy/modules/admin/rpm.te.denyexecmem 2011-11-08 16:11:51.771047703 -0500
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+++ serefpolicy-3.10.0/policy/modules/admin/rpm.te 2011-11-08 16:11:52.030047557 -0500
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@@ -382,7 +382,7 @@ ifdef(`distro_redhat',`
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')
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')
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-tunable_policy(`allow_execmem',`
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+tunable_policy(`deny_execmem',`',`
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allow rpm_script_t self:process execmem;
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')
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diff -up serefpolicy-3.10.0/policy/modules/apps/games.te.denyexecmem serefpolicy-3.10.0/policy/modules/apps/games.te
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--- serefpolicy-3.10.0/policy/modules/apps/games.te.denyexecmem 2011-06-27 14:18:04.000000000 -0400
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+++ serefpolicy-3.10.0/policy/modules/apps/games.te 2011-11-08 16:11:52.031047556 -0500
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@@ -166,7 +166,7 @@ userdom_manage_user_tmp_sockets(games_t)
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# Suppress .icons denial until properly implemented
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userdom_dontaudit_read_user_home_content_files(games_t)
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-tunable_policy(`allow_execmem',`
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+tunable_policy(`deny_execmem',`', `
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allow games_t self:process execmem;
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')
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diff -up serefpolicy-3.10.0/policy/modules/apps/mozilla.te.denyexecmem serefpolicy-3.10.0/policy/modules/apps/mozilla.te
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--- serefpolicy-3.10.0/policy/modules/apps/mozilla.te.denyexecmem 2011-11-08 16:11:51.786047693 -0500
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+++ serefpolicy-3.10.0/policy/modules/apps/mozilla.te 2011-11-08 16:11:52.032047555 -0500
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@@ -178,8 +178,12 @@ xserver_user_x_domain_template(mozilla,
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xserver_dontaudit_read_xdm_tmp_files(mozilla_t)
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xserver_dontaudit_getattr_xdm_tmp_sockets(mozilla_t)
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-tunable_policy(`allow_execmem',`
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- allow mozilla_t self:process { execmem execstack };
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+tunable_policy(`allow_execstack',`
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+ allow mozilla_t self:process execstack;
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+')
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+
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+tunable_policy(`deny_execmem',`',`
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+ allow mozilla_t self:process execmem;
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')
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tunable_policy(`use_nfs_home_dirs',`
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@@ -410,12 +414,12 @@ userdom_read_user_home_content_symlinks(
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userdom_read_home_certs(mozilla_plugin_t)
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userdom_dontaudit_write_home_certs(mozilla_plugin_t)
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-tunable_policy(`allow_execmem',`
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- allow mozilla_plugin_t self:process { execmem execstack };
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+tunable_policy(`deny_execmem',`', `
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+ allow mozilla_plugin_t self:process execmem;
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')
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tunable_policy(`allow_execstack',`
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- allow mozilla_plugin_t self:process { execstack };
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+ allow mozilla_plugin_t self:process execstack;
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')
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tunable_policy(`use_nfs_home_dirs',`
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diff -up serefpolicy-3.10.0/policy/modules/apps/mplayer.te.denyexecmem serefpolicy-3.10.0/policy/modules/apps/mplayer.te
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--- serefpolicy-3.10.0/policy/modules/apps/mplayer.te.denyexecmem 2011-11-08 16:11:51.048048110 -0500
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+++ serefpolicy-3.10.0/policy/modules/apps/mplayer.te 2011-11-08 16:11:53.818046549 -0500
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@@ -92,7 +92,7 @@ ifndef(`enable_mls',`
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fs_read_removable_symlinks(mencoder_t)
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')
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-tunable_policy(`allow_execmem',`
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+tunable_policy(`deny_execmem',`',`
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allow mencoder_t self:process execmem;
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')
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@@ -252,7 +252,7 @@ ifdef(`enable_mls',`',`
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fs_read_removable_symlinks(mplayer_t)
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')
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-tunable_policy(`allow_execmem',`
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+tunable_policy(`deny_execmem',`',`
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allow mplayer_t self:process execmem;
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')
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diff -up serefpolicy-3.10.0/policy/modules/kernel/corecommands.te.denyexecmem serefpolicy-3.10.0/policy/modules/kernel/corecommands.te
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--- serefpolicy-3.10.0/policy/modules/kernel/corecommands.te.denyexecmem 2011-06-27 14:18:04.000000000 -0400
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+++ serefpolicy-3.10.0/policy/modules/kernel/corecommands.te 2011-11-08 16:11:52.033047554 -0500
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@@ -13,7 +13,7 @@ attribute exec_type;
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#
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# bin_t is the type of files in the system bin/sbin directories.
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#
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-type bin_t alias { ls_exec_t sbin_t };
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+type bin_t alias { ls_exec_t sbin_t java_exec_t execmem_exec_t mono_exec_t };
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corecmd_executable_file(bin_t)
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dev_associate(bin_t) #For /dev/MAKEDEV
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diff -up serefpolicy-3.10.0/policy/modules/roles/unconfineduser.te.denyexecmem serefpolicy-3.10.0/policy/modules/roles/unconfineduser.te
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--- serefpolicy-3.10.0/policy/modules/roles/unconfineduser.te.denyexecmem 2011-11-08 16:11:51.729047726 -0500
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+++ serefpolicy-3.10.0/policy/modules/roles/unconfineduser.te 2011-11-08 16:11:52.034047554 -0500
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@@ -104,11 +104,11 @@ unconfined_domain_noaudit(unconfined_t)
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usermanage_run_passwd(unconfined_t, unconfined_r)
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usermanage_run_chfn(unconfined_t, unconfined_r)
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-tunable_policy(`allow_execmem',`
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+tunable_policy(`deny_execmem',`',`
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allow unconfined_t self:process execmem;
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')
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-tunable_policy(`allow_execmem && allow_execstack',`
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+tunable_policy(`allow_execstack',`
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allow unconfined_t self:process execstack;
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')
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@@ -230,7 +230,6 @@ optional_policy(`
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optional_policy(`
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unconfined_domain(unconfined_dbusd_t)
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- unconfined_execmem_domtrans(unconfined_dbusd_t)
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optional_policy(`
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xserver_rw_shm(unconfined_dbusd_t)
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@@ -389,48 +388,5 @@ optional_policy(`
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xserver_manage_home_fonts(unconfined_t)
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')
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-########################################
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-#
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-# Unconfined Execmem Local policy
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-#
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-
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-optional_policy(`
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- execmem_role_template(unconfined, unconfined_r, unconfined_t)
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- typealias unconfined_execmem_t alias execmem_t;
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- typealias unconfined_execmem_t alias unconfined_openoffice_t;
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- unconfined_domain_noaudit(unconfined_execmem_t)
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- allow unconfined_execmem_t unconfined_t:process transition;
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- rpm_transition_script(unconfined_execmem_t)
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- role system_r types unconfined_execmem_t;
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-
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- optional_policy(`
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- init_dbus_chat_script(unconfined_execmem_t)
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- dbus_system_bus_client(unconfined_execmem_t)
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- unconfined_dbus_chat(unconfined_execmem_t)
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- unconfined_dbus_connect(unconfined_execmem_t)
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- ')
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-
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- optional_policy(`
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- tunable_policy(`allow_unconfined_nsplugin_transition',`', `
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- nsplugin_exec_domtrans(unconfined_t, unconfined_execmem_t)
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- ')
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- ')
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-
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- optional_policy(`
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- tunable_policy(`unconfined_login',`
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- mplayer_exec_domtrans(unconfined_t, unconfined_execmem_t)
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- ')
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- ')
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-
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- optional_policy(`
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- openoffice_exec_domtrans(unconfined_t, unconfined_execmem_t)
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- ')
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-')
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-
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-########################################
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-#
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-# Unconfined mount local policy
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-#
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-
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gen_user(unconfined_u, user, unconfined_r system_r, s0, s0 - mls_systemhigh, mcs_allcats)
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diff -up serefpolicy-3.10.0/policy/modules/services/postgresql.te.denyexecmem serefpolicy-3.10.0/policy/modules/services/postgresql.te
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--- serefpolicy-3.10.0/policy/modules/services/postgresql.te.denyexecmem 2011-11-08 16:11:51.439047890 -0500
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+++ serefpolicy-3.10.0/policy/modules/services/postgresql.te 2011-11-08 16:11:52.035047553 -0500
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@@ -329,7 +329,7 @@ userdom_dontaudit_use_user_terminals(pos
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mta_getattr_spool(postgresql_t)
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-tunable_policy(`allow_execmem',`
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+tunable_policy(`deny_execmem',`',`
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allow postgresql_t self:process execmem;
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')
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diff -up serefpolicy-3.10.0/policy/modules/services/xserver.te.denyexecmem serefpolicy-3.10.0/policy/modules/services/xserver.te
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--- serefpolicy-3.10.0/policy/modules/services/xserver.te.denyexecmem 2011-11-08 16:11:51.969047589 -0500
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+++ serefpolicy-3.10.0/policy/modules/services/xserver.te 2011-11-08 16:11:52.037047551 -0500
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@@ -1412,7 +1412,7 @@ tunable_policy(`allow_xserver_execmem',`
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')
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# Hack to handle the problem of using the nvidia blobs
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-tunable_policy(`allow_execmem',`
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+tunable_policy(`deny_execmem',`',`
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allow xdm_t self:process execmem;
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')
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diff -up serefpolicy-3.10.0/policy/modules/system/unconfined.if.denyexecmem serefpolicy-3.10.0/policy/modules/system/unconfined.if
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--- serefpolicy-3.10.0/policy/modules/system/unconfined.if.denyexecmem 2011-11-08 16:11:51.983047584 -0500
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+++ serefpolicy-3.10.0/policy/modules/system/unconfined.if 2011-11-08 16:11:52.038047550 -0500
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@@ -63,16 +63,14 @@ interface(`unconfined_domain_noaudit',`
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allow $1 self:process execheap;
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')
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- tunable_policy(`allow_execmem',`
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+ tunable_policy(`deny_execmem',`',`
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# Allow making anonymous memory executable, e.g.
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# for runtime-code generation or executable stack.
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allow $1 self:process execmem;
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')
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tunable_policy(`allow_execstack',`
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- # Allow making the stack executable via mprotect;
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- # execstack implies execmem;
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- allow $1 self:process { execstack execmem };
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+ allow $1 self:process execstack;
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# auditallow $1 self:process execstack;
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')
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diff -up serefpolicy-3.10.0/policy/modules/system/userdomain.if.denyexecmem serefpolicy-3.10.0/policy/modules/system/userdomain.if
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--- serefpolicy-3.10.0/policy/modules/system/userdomain.if.denyexecmem 2011-11-08 16:11:51.986047581 -0500
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+++ serefpolicy-3.10.0/policy/modules/system/userdomain.if 2011-11-08 16:11:52.041047550 -0500
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@@ -149,12 +149,12 @@ template(`userdom_base_user_template',`
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systemd_dbus_chat_logind($1_usertype)
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- tunable_policy(`allow_execmem',`
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+ tunable_policy(`deny_execmem',`', `
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# Allow loading DSOs that require executable stack.
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allow $1_t self:process execmem;
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')
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- tunable_policy(`allow_execmem && allow_execstack',`
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+ tunable_policy(`allow_execstack',`
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# Allow making the stack executable via mprotect.
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allow $1_t self:process execstack;
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')
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diff -up serefpolicy-3.10.0/policy/modules/apps/mplayer.te~ serefpolicy-3.10.0/policy/modules/apps/mplayer.te
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diff -up serefpolicy-3.10.0/policy/modules/apps/sandbox.te~ serefpolicy-3.10.0/policy/modules/apps/sandbox.te
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--- serefpolicy-3.10.0/policy/modules/apps/sandbox.te~ 2011-11-08 16:12:17.701033064 -0500
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+++ serefpolicy-3.10.0/policy/modules/apps/sandbox.te 2011-11-08 16:24:21.364582225 -0500
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@@ -40,7 +40,12 @@ files_type(sandbox_devpts_t)
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#
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# sandbox xserver policy
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#
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-allow sandbox_xserver_t self:process { execmem execstack };
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+allow sandbox_xserver_t self:process execstack;
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+
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+tunable_policy(`deny_execmem',`',`
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+ allow sandbox_xserver_t self:process execmem;
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+')
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+
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allow sandbox_xserver_t self:fifo_file manage_fifo_file_perms;
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allow sandbox_xserver_t self:shm create_shm_perms;
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allow sandbox_xserver_t self:tcp_socket create_stream_socket_perms;
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@@ -119,7 +124,11 @@ optional_policy(`
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# sandbox local policy
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#
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-allow sandbox_domain self:process { getattr signal_perms getsched setsched setpgid execstack execmem };
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+allow sandbox_domain self:process { getattr signal_perms getsched setsched setpgid execstack };
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+tunable_policy(`deny_execmem',`',`
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+ allow sandbox_domain self:process execmem;
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+')
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+
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allow sandbox_domain self:fifo_file manage_file_perms;
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allow sandbox_domain self:sem create_sem_perms;
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allow sandbox_domain self:shm create_shm_perms;
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@@ -168,7 +177,11 @@ mta_dontaudit_read_spool_symlinks(sandbo
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#
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# sandbox_x_domain local policy
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#
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-allow sandbox_x_domain self:process { getattr signal_perms getsched setsched setpgid execstack execmem };
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+allow sandbox_x_domain self:process { getattr signal_perms getsched setsched setpgid execstack };
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+tunable_policy(`deny_execmem',`',`
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+ allow sandbox_x_domain self:process execmem;
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+')
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+
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allow sandbox_x_domain self:fifo_file manage_file_perms;
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allow sandbox_x_domain self:sem create_sem_perms;
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allow sandbox_x_domain self:shm create_shm_perms;
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diff -up serefpolicy-3.10.0/policy/modules/apps/thumb.te~ serefpolicy-3.10.0/policy/modules/apps/thumb.te
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--- serefpolicy-3.10.0/policy/modules/apps/thumb.te~ 2011-11-08 16:12:17.709033060 -0500
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+++ serefpolicy-3.10.0/policy/modules/apps/thumb.te 2011-11-08 16:23:18.017395117 -0500
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@@ -19,7 +19,12 @@ ubac_constrained(thumb_tmp_t)
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# thumb local policy
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#
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||||||
|
|
||||||
|
-allow thumb_t self:process { setsched signal setrlimit execmem };
|
||||||
|
+allow thumb_t self:process { setsched signal setrlimit };
|
||||||
|
+
|
||||||
|
+tunable_policy(`deny_execmem',`',`
|
||||||
|
+ allow thumb_t self:process execmem;
|
||||||
|
+')
|
||||||
|
+
|
||||||
|
allow thumb_t self:fifo_file manage_fifo_file_perms;
|
||||||
|
allow thumb_t self:unix_stream_socket create_stream_socket_perms;
|
||||||
|
allow thumb_t self:netlink_route_socket r_netlink_socket_perms;
|
||||||
|
diff -up serefpolicy-3.10.0/policy/modules/roles/xguest.te~ serefpolicy-3.10.0/policy/modules/roles/xguest.te
|
||||||
|
--- serefpolicy-3.10.0/policy/modules/roles/xguest.te~ 2011-11-08 16:12:18.349032697 -0500
|
||||||
|
+++ serefpolicy-3.10.0/policy/modules/roles/xguest.te 2011-11-08 16:21:44.303111563 -0500
|
||||||
|
@@ -54,7 +54,6 @@ optional_policy(`
|
||||||
|
mount_dontaudit_exec_fusermount(xguest_t)
|
||||||
|
')
|
||||||
|
|
||||||
|
-allow xguest_t self:process execmem;
|
||||||
|
kernel_dontaudit_request_load_module(xguest_t)
|
||||||
|
|
||||||
|
tunable_policy(`allow_execstack',`
|
||||||
Loading…
Reference in New Issue
Block a user