Heap-based buffer overflow in freetype (Alpine package)

Published: 2017-05-01

Risk	High
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2017-8287
CWE-ID	CWE-122
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	freetype (Alpine package) Operating systems & Components / Operating system package or component
Vendor	Alpine Linux Development Team

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU11095

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-8287

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_builder_close_contour function due to heap-based buffer overflow. A remote attacker can trigger out-of-bounds write and execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

freetype (Alpine package): 2.5.5-r0

CPE2.3

cpe:2.3:o:alpine:freetype_alpine_package:2.5.5-r0:*:*:*:*:alpine_linux:*:3.2

External links

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.