USN-2921-1: Squid vulnerabilities
Ubuntu Security Notice USN-2921-1
7th March, 2016
squid3 vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 15.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
Several security issues were fixed in Squid.
Software description
- squid3
– Web proxy cache server
Details
Sebastian Krahmer discovered that Squid incorrectly handled certain SNMP
requests. If SNMP is enabled, a remote attacker could use this issue to
cause Squid to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2014-6270)
Alex Rousskov discovered that Squid incorrectly handled certain malformed
responses. A remote attacker could possibly use this issue to cause Squid
to crash, resulting in a denial of service. (CVE-2016-2571)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 15.10:
-
squid3
3.3.8-1ubuntu16.2
- Ubuntu 14.04 LTS:
-
squid3
3.3.8-1ubuntu6.6
- Ubuntu 12.04 LTS:
-
squid3
3.1.19-1ubuntu3.12.04.6
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.
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