NULL pointer dereference in Poppler - CVE-2018-19060

 

NULL pointer dereference in Poppler - CVE-2018-19060

Published: December 5, 2018 / Updated: December 10, 2018


Vulnerability identifier: #VU16348
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-19060
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Freedesktop.org
Affected software:
Poppler

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condicion on the target system.

The vulnerability exists due to NULL pointer dereference condition in the GooString.h source code file when the filenames of embedded files are insufficiently validated before a save path is constructed. A remote attacker can trick the victim into accessing an embedded file that submits malicious input, trigger a NULL pointer dereference and cause the service to crash.


How to mitigate CVE-2018-19060

Install update from vendor's website.

Sources