Ubuntu 14.04 LTS / 16.04 LTS / 17.04 : libgd2 vulnerability (USN-3389-1)

Medium Nessus Plugin ID 102493

Synopsis

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

Description

A vulnerability was discovered in GD Graphics Library (aka libgd), as used in PHP that does not zero colorMap arrays before use. A specially crafted GIF image could use the uninitialized tables to read bytes from the top of the stack.

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 libgd-tools package.

See Also

https://usn.ubuntu.com/3389-1/

Plugin Details

Severity: Medium

ID: 102493

File Name: ubuntu_USN-3389-1.nasl

Version: 3.7

Type: local

Agent: unix

Published: 2017/08/15

Updated: 2018/12/01

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.3

Temporal Score: 3.2

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

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

CVSS v3.0

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libgd-tools, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:17.04

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: 2017/08/14

Reference Information

CVE: CVE-2017-7890

USN: 3389-1