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import openssh-8.7p1-29.el9_2

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CentOS Sources 2023-05-09 10:24:19 +00:00 committed by Stepan Oksanichenko
parent fe35f1e78c
commit 26f40c1ea2
2 changed files with 48 additions and 1 deletions
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38
SOURCES/openssh-8.7p1-CVE-2023-25136.patch Normal file
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@ -0,0 +1,38 @@
diff --git a/compat.c b/compat.c
index 46dfe3a9c2e..478a9403eea 100644
--- a/compat.c
+++ b/compat.c
@@ -190,26 +190,26 @@ compat_pkalg_proposal(struct ssh *ssh, char *pkalg_prop)
char *
compat_kex_proposal(struct ssh *ssh, char *p)
{
- char *cp = NULL;
+ char *cp = NULL, *cp2 = NULL;
if ((ssh->compat & (SSH_BUG_CURVE25519PAD|SSH_OLD_DHGEX)) == 0)
return xstrdup(p);
debug2_f("original KEX proposal: %s", p);
if ((ssh->compat & SSH_BUG_CURVE25519PAD) != 0)
- if ((p = match_filter_denylist(p,
+ if ((cp = match_filter_denylist(p,
"curve25519-sha256@libssh.org")) == NULL)
fatal("match_filter_denylist failed");
if ((ssh->compat & SSH_OLD_DHGEX) != 0) {
- cp = p;
- if ((p = match_filter_denylist(p,
+ if ((cp2 = match_filter_denylist(cp ? cp : p,
"diffie-hellman-group-exchange-sha256,"
"diffie-hellman-group-exchange-sha1")) == NULL)
fatal("match_filter_denylist failed");
free(cp);
+ cp = cp2;
}
- debug2_f("compat KEX proposal: %s", p);
- if (*p == '\0')
+ if (cp == NULL || *cp == '\0')
fatal("No supported key exchange algorithms found");
- return p;
+ debug2_f("compat KEX proposal: %s", cp);
+ return cp;
}

11
SPECS/openssh.spec
View File

@ -51,7 +51,7 @@
# Do not forget to bump pam_ssh_agent_auth release if you rewind the main package release to 1
%global openssh_ver 8.7p1
%global openssh_rel 28
%global openssh_rel 29
%global pam_ssh_agent_ver 0.10.4
%global pam_ssh_agent_rel 5
@ -261,6 +261,10 @@ Patch1005: openssh-8.7p1-host-based-auth.patch
Patch1006: openssh-8.7p1-negotiate-supported-algs.patch
#
Patch1007: openssh-8.7p1-nohostsha1proof.patch
# CVE-2023-25136
# upstream 12da7823336434a403f25c7cc0c2c6aed0737a35
# to fix 1005
Patch1008: openssh-8.7p1-CVE-2023-25136.patch
License: BSD
Requires: /sbin/nologin
@ -470,6 +474,7 @@ popd
%patch100 -p1 -b .coverity
%patch1007 -p1 -b .sshrsacheck
%patch1008 -p1 -b .cve-2023-25136
autoreconf
pushd pam_ssh_agent_auth-pam_ssh_agent_auth-%{pam_ssh_agent_ver}
@ -756,6 +761,10 @@ test -f %{sysconfig_anaconda} && \
%endif
%changelog
* Thu Apr 06 2023 Dmitry Belyavskiy <dbelyavs@redhat.com> - 8.7p1-29
- Resolve possible self-DoS with some clients
Resolves: rhbz#2186473
* Thu Jan 12 2023 Dmitry Belyavskiy <dbelyavs@redhat.com> - 8.7p1-28
- Do not try to use SHA1 for host key ownership proof when we don't support it server-side
Resolves: rhbz#2088750