Synopsis
The remote Ubuntu host is missing a security-related patch.
Description
USN-1603-1 fixed vulnerabilities in Ruby. This update provides the corresponding updates for Ubuntu 12.10.
Shugo Maedo and Vit Ondruch discovered that Ruby incorrectly allowed untainted strings to be modified in protective safe levels. An attacker could use this flaw to bypass intended access restrictions.
(CVE-2012-4466, CVE-2012-4481).
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.
Solution
Update the affected libruby1.8 package.