Out-of-bounds read in Quick PDF Library - CVE-2018-20249

 

Out-of-bounds read in Quick PDF Library - CVE-2018-20249

Published: December 25, 2018 / Updated: May 18, 2020


Vulnerability identifier: #VU16698
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-20249
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vendor: Foxit Software Inc.
Affected software:
Quick PDF Library

Detailed vulnerability description

The vulnerability allows a local attacker to bypass security restrictions the target system.

The weakness exists due to out-of-bounds read when handling malicious input. A local attacker can load a malformed or malicious PDF containing invalid xref entries using the DAOpenFile or DAOpenFileReadOnly functions, trigger memory corruption and bypass security restrictions to conduct for further attacks.


How to mitigate CVE-2018-20249

Update to version 16.12.

Sources