Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : firefox vulnerabilities (USN-3778-1)
High Nessus Plugin ID 117913
SynopsisThe remote Ubuntu host is missing a security-related patch.
DescriptionA crash was discovered in TransportSecurityInfo used for SSL, which could be triggered by data stored in the local cache directory. An attacker could potentially exploit this in combination with another vulnerability that allowed them to write data to the cache, to execute arbitrary code. (CVE-2018-12385)
It was discovered that the Array.prototype.push could leak memory addresses to the calling function in some circumstances. An attacker could exploit this in combination with another vulnerability to help execute arbitrary code. (CVE-2018-12387).
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.