Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 18.10 : firefox vulnerabilities (USN-3844-1)
High Nessus Plugin ID 119654
SynopsisThe remote Ubuntu host is missing a security-related patch.
DescriptionMultiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, bypass same-origin restritions, or execute arbitrary code. (CVE-2018-12405, CVE-2018-12406, CVE-2018-12407, CVE-2018-17466, CVE-2018-18492, CVE-2018-18493, CVE-2018-18494, CVE-2018-18498)
Multiple security issues were discovered in WebExtensions. If a user were tricked in to installing a specially crafted extension, an attacker could potentially exploit these to open privileged pages, or bypass other security restrictions. (CVE-2018-18495, CVE-2018-18497).
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.