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

High Nessus Plugin ID 93106

Synopsis

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

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 libharfbuzz0b package.

See Also

https://usn.ubuntu.com/3067-1/

Plugin Details

Severity: High

ID: 93106

File Name: ubuntu_USN-3067-1.nasl

Version: 2.7

Type: local

Agent: unix

Published: 2016/08/25

Updated: 2018/12/01

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.5

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

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

CVSS v3.0

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libharfbuzz0b, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2016/08/24

Reference Information

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

USN: 3067-1