Ubuntu 14.04 LTS / 16.04 LTS : HarfBuzz vulnerabilities (USN-3067-1)

high Nessus Plugin ID 93106

Synopsis

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

Description

Kostya Serebryany discovered that HarfBuzz incorrectly handled memory.
A remote attacker could use this issue to cause HarfBuzz to crash, resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2015-8947)

It was discovered that HarfBuzz incorrectly handled certain length checks. A remote attacker could use this issue to cause HarfBuzz to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 16.04 LTS. (CVE-2016-2052).

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.

See Also

https://ubuntu.com/security/notices/USN-3067-1

Plugin Details

Severity: High

ID: 93106

File Name: ubuntu_USN-3067-1.nasl

Version: 2.10

Type: local

Agent: unix

Published: 8/25/2016

Updated: 10/20/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2015-8947

CVSS v3

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.6

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

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

CVSS Score Source: CVE-2016-2052

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libharfbuzz0b, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:gir1.2-harfbuzz-0.0, p-cpe:/a:canonical:ubuntu_linux:libharfbuzz-bin, p-cpe:/a:canonical:ubuntu_linux:libharfbuzz-dev, p-cpe:/a:canonical:ubuntu_linux:libharfbuzz-gobject0, p-cpe:/a:canonical:ubuntu_linux:libharfbuzz-icu0, p-cpe:/a:canonical:ubuntu_linux:libharfbuzz0-udeb

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/24/2016

Vulnerability Publication Date: 1/25/2016

Reference Information

CVE: CVE-2015-8947, CVE-2016-2052

USN: 3067-1