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USN-901-1: Squid vulnerabilities

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http://www.ubuntu.com – Referenced CVEs:  CVE-2009-2855, CVE-2010-0308 Description:  =========================================================== Ubuntu Security Notice USN-901-1 February 16, 2010 squid vulnerabilities CVE-2009-2855, CVE-2010-0308 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 8.04 LTS Ubuntu 8.10 Ubuntu 9.04 Ubuntu 9.10 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: squid 2.5.12-4ubuntu2.5 Ubuntu 8.04 LTS: squid 2.6.18-1ubuntu3.1 Ubuntu 8.10: squid 2.7.STABLE3-1ubuntu2.2 Ubuntu 9.04: squid 2.7.STABLE3-4.1ubuntu1.1 Ubuntu 9.10: squid 2.7.STABLE6-2ubuntu2.1 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: 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) (Distributions)