Ubuntu 12.04 LTS / 14.04 LTS / 15.04 : firefox vulnerability (USN-2768-1)
Medium Nessus Plugin ID 86443
SynopsisThe remote Ubuntu host is missing a security-related patch.
DescriptionAbdulrahman Alqabandi and Ben Kelly discovered that the fetch() API did not correctly implement the Cross Origin Resource Sharing (CORS) specification. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to obtain sensitive information from other origins. (CVE-2015-7184).
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 firefox package.