Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS / 16.10 : firefox vulnerabilities (USN-3111-1)

High Nessus Plugin ID 94351


The remote Ubuntu host is missing a security-related patch.


A use-after-free was discovered in service workers. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via program crash, or execute arbitrary code. (CVE-2016-5287)

It was discovered that web content could access information in the HTTP cache in some circumstances. An attacker could potentially exploit this to obtain sensitive information. (CVE-2016-5288).

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.


Update the affected firefox package.

Plugin Details

Severity: High

ID: 94351

File Name: ubuntu_USN-3111-1.nasl

Version: $Revision: 2.5 $

Type: local

Agent: unix

Published: 2016/10/28

Modified: 2016/11/18

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 9.3

Temporal Score: 6.9

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:firefox, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:16.10

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2016/10/27

Reference Information

CVE: CVE-2016-5287, CVE-2016-5288

OSVDB: 146120, 146121

USN: 3111-1