Ubuntu 14.04 LTS : libpng vulnerabilities (USN-2861-1)

high Nessus Plugin ID 87774

Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2861-1 advisory.

It was discovered that libpng incorrectly handled certain small bit-depth values. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or execute code with the privileges of the user invoking the program.
(CVE-2015-8472)

Qixue Xiao and Chen Yu discovered that libpng incorrectly handled certain malformed images. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service. (CVE-2015-8540)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-2861-1

Plugin Details

Severity: High

ID: 87774

File Name: ubuntu_USN-2861-1.nasl

Version: 1.16

Type: local

Agent: unix

Published: 1/7/2016

Updated: 8/27/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

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

CVSS Score Source: CVE-2015-8540

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libpng12-0, p-cpe:/a:canonical:ubuntu_linux:libpng3, p-cpe:/a:canonical:ubuntu_linux:libpng12-0-udeb, p-cpe:/a:canonical:ubuntu_linux:libpng12-dev

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/6/2016

Vulnerability Publication Date: 1/21/2016

Reference Information

CVE: CVE-2015-8472, CVE-2015-8540

USN: 2861-1