Ubuntu 14.04 LTS / 15.10 / 16.04 LTS : nginx vulnerability (USN-2991-1)

Medium Nessus Plugin ID 91451

Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

It was discovered that nginx incorrectly handled saving client request bodies to temporary files. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service.

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.

Solution

Update the affected packages.

Plugin Details

Severity: Medium

ID: 91451

File Name: ubuntu_USN-2991-1.nasl

Version: $Revision: 2.4 $

Type: local

Published: 2016/06/03

Modified: 2016/12/01

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 5

Temporal Score: 3.7

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

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

CVSSv3

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:nginx-core, p-cpe:/a:canonical:ubuntu_linux:nginx-extras, p-cpe:/a:canonical:ubuntu_linux:nginx-full, p-cpe:/a:canonical:ubuntu_linux:nginx-light, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:15.10, cpe:/o:canonical:ubuntu_linux:16.04

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: 2016/06/02

Reference Information

CVE: CVE-2016-4450

OSVDB: 139239

USN: 2991-1