Ubuntu 4.10 / 5.04 : ruby1.8 vulnerability (USN-195-1)
High Nessus Plugin ID 20609
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionThe object oriented scripting language Ruby supports safely executing untrusted code with two mechanisms: safe level and taint flag on objects. Dr. Yutaka Oiwa discovered a vulnerability that allows Ruby methods to bypass these mechanisms. In systems which use this feature, this could be exploited to execute Ruby code beyond the restrictions specified in each safe level.
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.