Synopsis: Moderate: net-snmp security and bug fix update
Advisory ID: SLSA-2015:2345-1
Issue Date: 2015-11-19
CVE Numbers: CVE-2014-3565
--
A denial of service flaw was found in the way snmptrapd handled certain
SNMP traps when started with the "-OQ" option. If an attacker sent an SNMP
trap containing a variable with a NULL type where an integer variable type
was expected, it would cause snmptrapd to crash. (CVE-2014-3565)
This update also fixes the following bugs:
* Previously, the clientaddr option in the snmp.conf file affected
outgoing messages sent only over IPv4. With this release, outgoing IPv6
messages are correctly sent from the interface specified by clientaddr.
* The Net-SNMP daemon, snmpd, did not properly clean memory when reloading
its configuration file with multiple "exec" entries. Consequently, the
daemon terminated unexpectedly. Now, the memory is properly cleaned, and
snmpd no longer crashes on reload.
* Prior to this update, snmpd did not parse complete IPv4 traffic
statistics, but reported the number of received or sent bytes in the IP-
MIB::ipSystemStatsTable only for IPv6 packets and not for IPv4. This
affected objects ipSystemStatsInOctets, ipSystemStatsOutOctets,
ipSystemStatsInMcastOctets, and ipSystemStatsOutMcastOctets. Now, the
statistics reported by snmpd are collected for IPv4 as well.
* The Net-SNMP daemon, snmpd, did not correctly detect the file system
change from read-only to read-write. Consequently, after remounting the
file system into the read-write mode, the daemon reported it to be still
in the read-only mode. A patch has been applied, and snmpd now detects the
mode changes as expected.
--
SL7
x86_64
net-snmp-5.7.2-24.el7.x86_64.rpm
net-snmp-agent-libs-5.7.2-24.el7.i686.rpm
net-snmp-agent-libs-5.7.2-24.el7.x86_64.rpm
net-snmp-debuginfo-5.7.2-24.el7.i686.rpm
net-snmp-debuginfo-5.7.2-24.el7.x86_64.rpm
net-snmp-libs-5.7.2-24.el7.i686.rpm
net-snmp-libs-5.7.2-24.el7.x86_64.rpm
net-snmp-utils-5.7.2-24.el7.x86_64.rpm
net-snmp-devel-5.7.2-24.el7.i686.rpm
net-snmp-devel-5.7.2-24.el7.x86_64.rpm
net-snmp-gui-5.7.2-24.el7.x86_64.rpm
net-snmp-perl-5.7.2-24.el7.x86_64.rpm
net-snmp-python-5.7.2-24.el7.x86_64.rpm
net-snmp-sysvinit-5.7.2-24.el7.x86_64.rpm
- Scientific Linux Development Team
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