import net-snmp-5.9.1-9.el9
This commit is contained in:
CentOS Sources
Stepan Oksanichenko
parent
986247aad1
commit
ce768e3c43
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@ -0,0 +1,129 @@
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From 4589352dac3ae111c7621298cf231742209efd9b Mon Sep 17 00:00:00 2001
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From: Bill Fenner <fenner@gmail.com>
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Date: Fri, 25 Nov 2022 08:41:24 -0800
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Subject: [PATCH 1/3] snmp_agent: disallow SET with NULL varbind
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---
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agent/snmp_agent.c | 32 ++++++++++++++++++++++++++++++++
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1 file changed, 32 insertions(+)
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diff --git a/agent/snmp_agent.c b/agent/snmp_agent.c
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index 867d0c166f..3f678fe2df 100644
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--- a/agent/snmp_agent.c
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+++ b/agent/snmp_agent.c
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@@ -3719,12 +3719,44 @@ netsnmp_handle_request(netsnmp_agent_session *asp, int status)
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return 1;
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}
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+static int
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+check_set_pdu_for_null_varbind(netsnmp_agent_session *asp)
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+{
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+ int i;
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+ netsnmp_variable_list *v = NULL;
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+
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+ for (i = 1, v = asp->pdu->variables; v != NULL; i++, v = v->next_variable) {
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+ if (v->type == ASN_NULL) {
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+ /*
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+ * Protect SET implementations that do not protect themselves
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+ * against wrong type.
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+ */
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+ DEBUGMSGTL(("snmp_agent", "disallowing SET with NULL var for varbind %d\n", i));
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+ asp->index = i;
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+ return SNMP_ERR_WRONGTYPE;
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+ }
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+ }
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+ return SNMP_ERR_NOERROR;
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+}
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+
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int
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handle_pdu(netsnmp_agent_session *asp)
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{
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int status, inclusives = 0;
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netsnmp_variable_list *v = NULL;
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+#ifndef NETSNMP_NO_WRITE_SUPPORT
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+ /*
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+ * Check for ASN_NULL in SET request
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+ */
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+ if (asp->pdu->command == SNMP_MSG_SET) {
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+ status = check_set_pdu_for_null_varbind(asp);
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+ if (status != SNMP_ERR_NOERROR) {
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+ return status;
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+ }
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+ }
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+#endif /* NETSNMP_NO_WRITE_SUPPORT */
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+
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/*
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* for illegal requests, mark all nodes as ASN_NULL
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*/
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From 7f4ac4051cc7fec6a5944661923acb95cec359c7 Mon Sep 17 00:00:00 2001
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From: Bill Fenner <fenner@gmail.com>
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Date: Fri, 25 Nov 2022 08:41:46 -0800
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Subject: [PATCH 2/3] apps: snmpset: allow SET with NULL varbind for testing
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---
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apps/snmpset.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/apps/snmpset.c b/apps/snmpset.c
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index 48e14bd513..d542713e1b 100644
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--- a/apps/snmpset.c
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+++ b/apps/snmpset.c
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@@ -182,6 +182,7 @@ main(int argc, char *argv[])
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case 'x':
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case 'd':
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case 'b':
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+ case 'n': /* undocumented */
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#ifdef NETSNMP_WITH_OPAQUE_SPECIAL_TYPES
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case 'I':
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case 'U':
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From 15f9d7f7e5b90c9b419832ed8e6413feb6570d83 Mon Sep 17 00:00:00 2001
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From: Bill Fenner <fenner@gmail.com>
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Date: Fri, 25 Nov 2022 10:23:32 -0800
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Subject: [PATCH 3/3] Add test for NULL varbind set
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---
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.../default/T0142snmpv2csetnull_simple | 31 +++++++++++++++++++
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1 file changed, 31 insertions(+)
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create mode 100644 testing/fulltests/default/T0142snmpv2csetnull_simple
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diff --git a/testing/fulltests/default/T0142snmpv2csetnull_simple b/testing/fulltests/default/T0142snmpv2csetnull_simple
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new file mode 100644
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index 0000000000..0f1b8f386b
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--- /dev/null
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+++ b/testing/fulltests/default/T0142snmpv2csetnull_simple
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@@ -0,0 +1,31 @@
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+#!/bin/sh
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+
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+. ../support/simple_eval_tools.sh
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+
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+HEADER SNMPv2c set of system.sysContact.0 with NULL varbind
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+
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+SKIPIF NETSNMP_DISABLE_SET_SUPPORT
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+SKIPIF NETSNMP_NO_WRITE_SUPPORT
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+SKIPIF NETSNMP_DISABLE_SNMPV2C
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+SKIPIFNOT USING_MIBII_SYSTEM_MIB_MODULE
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+
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+#
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+# Begin test
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+#
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+
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+# standard V2C configuration: testcomunnity
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+snmp_write_access='all'
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+. ./Sv2cconfig
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+STARTAGENT
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+
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+CAPTURE "snmpget -On $SNMP_FLAGS -c testcommunity -v 2c $SNMP_TRANSPORT_SPEC:$SNMP_TEST_DEST$SNMP_SNMPD_PORT .1.3.6.1.2.1.1.4.0"
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+
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+CHECK ".1.3.6.1.2.1.1.4.0 = STRING:"
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+
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+CAPTURE "snmpset -On $SNMP_FLAGS -c testcommunity -v 2c $SNMP_TRANSPORT_SPEC:$SNMP_TEST_DEST$SNMP_SNMPD_PORT .1.3.6.1.2.1.1.4.0 n x"
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+
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+CHECK "Reason: wrongType"
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+
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+STOPAGENT
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+
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+FINISHED
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@ -0,0 +1,12 @@
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diff -urNp a/snmplib/snmp_logging.c b/snmplib/snmp_logging.c
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--- a/snmplib/snmp_logging.c 2023-02-15 10:19:15.691827254 +0100
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+++ b/snmplib/snmp_logging.c 2023-02-15 10:24:41.006642974 +0100
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@@ -490,7 +490,7 @@ snmp_log_options(char *optarg, int argc,
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char *
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snmp_log_syslogname(const char *pstr)
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{
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- if (pstr)
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+ if (pstr && (pstr != syslogname))
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strlcpy (syslogname, pstr, sizeof(syslogname));
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return syslogname;
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@ -10,7 +10,7 @@
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Summary: A collection of SNMP protocol tools and libraries
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Name: net-snmp
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Version: 5.9.1
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Release: 7%{?dist}.1
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Release: 9%{?dist}
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Epoch: 1
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License: BSD
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@ -52,6 +52,8 @@ Patch22: net-snmp-5.9-ECC-cert.patch
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Patch23: net-snmp-5.9-intermediate-certs.patch
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Patch24: net-snmp-5.9-twice-IP-parsing.patch
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Patch25: net-snmp-5.9-openssl-3.0.patch
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Patch26: net-snmp-5.9-CVE-2022-44792-44793.patch
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Patch27: net-snmp-5.9-ipv6-disable-leak.patch
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# Modern RPM API means at least EL6
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Patch101: net-snmp-5.8-modern-rpm-api.patch
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@ -229,6 +231,8 @@ cp %{SOURCE10} .
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%patch23 -p1 -b .intermediate-certs
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%patch24 -p1 -b .twice-IP-parsing
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%patch25 -p1 -b .openssl-3-0
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%patch26 -p1
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%patch27 -p1 -b .ipv6-disable-leak
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%patch101 -p1 -b .modern-rpm-api
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%patch102 -p1
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@ -498,8 +502,12 @@ LD_LIBRARY_PATH=%{buildroot}/%{_libdir} make test
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%{_libdir}/libnetsnmptrapd*.so.%{soname}*
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%changelog
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* Tue Apr 19 2022 Josef Ridky <jridky@redhat.com> - 1:5.9.1-7.1
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- fix default snmpd.conf file content (#2075537)
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* Wed Feb 15 2023 Josef Ridky <jridky@redhat.com> - 1:5.9.1-9
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- fix CVE-2022-44792 and CVE-2022-44793 (#2141902) and (#2141906)
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- fix memory leak when ipv6 disable set to 1 (#2151540)
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* Thu Apr 07 2022 Josef Ridky <jridky@redhat.com> - 1:5.9.1-8
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- fix default snmpd.conf file content (#2067954)
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* Wed Oct 13 2021 Josef Ridky <jridky@redhat.com> - 1:5.9.1-7
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- fix FTBFS due of OpenSSL update (#2001430)
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