Ubuntu 14.04 LTS / 15.04 / 15.10 : icedtea-web vulnerabilities (USN-2817-1)
Medium Nessus Plugin ID 87066
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionIt was discovered that IcedTea Web incorrectly handled applet URLs. A remote attacker could possibly use this issue to inject applets into the .appletTrustSettings configuration file and bypass user approval.
Andrea Palazzo discovered that IcedTea Web incorrectly determined the origin of unsigned applets. A remote attacker could possibly use this issue to bypass user approval, or to trick the user into approving applet execution. (CVE-2015-5235).
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 icedtea-6-plugin and / or icedtea-7-plugin packages.