Ubuntu Security Notice USN-904-1
24th February, 2010
squid vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 9.10
- Ubuntu 9.04
- Ubuntu 8.10
- Ubuntu 8.04 LTS
Software description
- squid
Details
It was discovered that Squid incorrectly handled certain malformed packets
received on the HTCP port. A remote attacker could exploit this with a
specially-crafted packet and cause Squid to crash, resulting in a denial of
service.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 9.10:
- squid 2.7.STABLE6-2ubuntu2.2
- Ubuntu 9.04:
- squid 2.7.STABLE3-4.1ubuntu1.2
- Ubuntu 8.10:
- squid 2.7.STABLE3-1ubuntu2.3
- Ubuntu 8.04 LTS:
- squid 2.6.18-1ubuntu3.2
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the
necessary changes.