Ubuntu update for FreeType

Published: 2017-05-16

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2017-8105 CVE-2017-8287
CWE-ID	CWE-122
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Ubuntu Operating systems & Components / Operating system
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Heap-based buffer overflow

EUVDB-ID: #VU11094

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-8105

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists in the t1_decoder_parse_charstrings function due to heap-based buffer overflow. A remote attacker can trigger out-of-bounds write and execute arbitrary code.

Mitigation

Update the affected packages

Ubuntu 12.04 LTS:

libfreetype6 2.4.8-1ubuntu2.6

Vulnerable software versions

Ubuntu: 12.04

External links

http://www.ubuntu.com/usn/usn-3282-2/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Heap-based buffer overflow

EUVDB-ID: #VU11095