Ubuntu Security Notice USN-2711-1
17th August, 2015
net-snmp vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
Net-SNMP could be made to crash or run programs if it received specially
crafted network traffic.
Software description
- net-snmp
– SNMP (Simple Network Management Protocol) server and applications
Details
It was discovered that Net-SNMP incorrectly handled certain trap messages
when the -OQ option was used. A remote attacker could use this issue to
cause Net-SNMP to crash, resulting in a denial of service. (CVE-2014-3565)
Qinghao Tang discovered that Net-SNMP incorrectly handled SNMP PDU parsing
failures. A remote attacker could use this issue to cause Net-SNMP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2015-5621)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 15.04:
-
libsnmp30
5.7.2~dfsg-8.1ubuntu5.1
- Ubuntu 14.04 LTS:
-
libsnmp30
5.7.2~dfsg-8.1ubuntu3.1
- Ubuntu 12.04 LTS:
-
libsnmp15
5.4.3~dfsg-2.4ubuntu1.3
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.