#VU12561 NULL pointer dereference in FreeType - CVE-2018-6942

Vulnerability identifier: #VU12561

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-6942

CWE-ID: CWE-476

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 cause DoS condition on the target system.

The weakness exists in the Ins_GETVARIATION() function within ttinterp.c due to NULL pointer dereference. A remote attacker can trick the victim into opening a specially crafted font file and cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

FreeType: 2.6.3 - 2.9

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External links
https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=29c759284e305ec428703c9a5831d0b1...

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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.