Ubuntu 9.10 : firefox-3.5, xulrunner-1.9.1 vulnerabilities (USN-921-1)
Critical Nessus Plugin ID 45484
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionMartijn Wargers, Josh Soref, Jesse Ruderman, and Ehsan Akhgari discovered flaws in the browser engine of Firefox. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-0173, CVE-2010-0174)
It was discovered that Firefox could be made to access previously freed memory. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program.
(CVE-2010-0175, CVE-2010-0176, CVE-2010-0177)
Henry Sudhof discovered that an image tag could be used as a redirect to a mailto: URL to launch an external mail handler. (CVE-2010-0181)
Wladimir Palant discovered that Firefox did not always perform security checks on XML content. An attacker could exploit this to bypass security policies to load certain resources. (CVE-2010-0182).
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected packages.