NULL pointer dereference in FreeType - CVE-2018-6942

 

NULL pointer dereference in FreeType - CVE-2018-6942

Published: May 10, 2018


Vulnerability identifier: #VU12561
CSH Severity: Low
CVSS v4.0: 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: Remote access
Exploit availability: No public exploit available
Vendor: freetype.org
Affected software:
FreeType

Detailed vulnerability 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.

How to mitigate CVE-2018-6942

Install update from vendor's website.

Sources