Null pointer dereference in Poppler - CVE-2017-9083

 

Null pointer dereference in Poppler - CVE-2017-9083

Published: July 12, 2017


Vulnerability identifier: #VU7486
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/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-2017-9083
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 condition on the target system.

The weakness exists due to NULL pointer dereference in the JPXStream::readUByte function in JPXStream.cc when handling malicious content. A remote attacker can send specially crafted PDF file, trick the victim into opening it, trigger segmentation fault and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

How to mitigate CVE-2017-9083

Update to the latest version.

Sources