It was discovered that Squid incorrectly handled certain auth headers. A remote attacker could exploit this with a specially-crafted auth header and cause Squid to go into an infinite loop, resulting in a denial of service. This issue only affected Ubuntu 8.10, 9.04 and 9.10. (CVE-2009-2855)
It was discovered that Squid incorrectly handled certain DNS packets. A remote attacker could exploit this with a specially-crafted DNS packet and cause Squid to crash, resulting in a denial of service. (CVE-2010-0308)
16 February 2010
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that Squid incorrectly handled certain auth headers. A remote attacker could exploit this with a specially-crafted auth header and cause Squid to go into an infinite loop, resulting in a denial of service. This issue only affected Ubuntu 8.10, 9.04 and 9.10. (CVE-2009-2855)
It was discovered that Squid incorrectly handled certain DNS packets. A remote attacker could exploit this with a specially-crafted DNS packet and cause Squid to crash, resulting in a denial of service. (CVE-2010-0308)
The problem can be corrected by updating your system to the following package versions:
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.
Vulmon