Reachable Assertion in Poppler - CVE-2018-20650

 

Reachable Assertion in Poppler - CVE-2018-20650

Published: January 7, 2019 / Updated: February 1, 2023


Vulnerability identifier: #VU16829
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-20650
CWE-ID: CWE-617
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 perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion due to the lack of a check for the dict data type, as demonstrated by use of the FileSpec class (in FileSpec.cc) in pdfdetach. A remote attacker can cause a denial of service.


How to mitigate CVE-2018-20650

Install update from vendor's website.

Sources