#VU11095 Heap-based buffer overflow in FreeType - CVE-2017-8287

Vulnerability identifier: #VU11095

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FreeType
Universal components / Libraries / Libraries used by multiple products

Vendor: freetype.org

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
Update to version 2.8.

Vulnerable software versions

FreeType: 2.6.3 - 2.7.1

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External links
https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=3774fc08b502c3e685afca098b6e8a195...

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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.