Ubuntu: 2921-2 Moderate: Nginx Buffer Overflow Vulnerability

ubuntu

March 7, 2016

Several security issues were fixed in Squid.

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)

Topics Covered

security advisory denial of service code execution update instructions squid ubuntu

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

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

In general, a standard system update will make all the necessary changes.