Heap-based buffer overflow in Exempi - CVE-2018-7729

 

Heap-based buffer overflow in Exempi - CVE-2018-7729

Published: March 14, 2018 / Updated: March 20, 2018


Vulnerability identifier: #VU11087
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-7729
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Freedesktop.org
Affected software:
Exempi

Detailed vulnerability description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the PostScript_MetaHandler::ParsePSFile() function due to heap-based buffer overflow. A local attacker can send a specially crafted file, trigger memory corruption and cause the service to crash.

How to mitigate CVE-2018-7729

Update to version 2.4.5.

Sources