Out-of-bounds read in Quick PDF Library - CVE-2018-20248

 

Out-of-bounds read in Quick PDF Library - CVE-2018-20248

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


Vulnerability identifier: #VU16697
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-2018-20248
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 table pointers or invalid xref table data using the LoadFromFile, LoadFromString, LoadFromStream, DAOpenFile or DAOpenFileReadOnly functions, trigger memory corruption and bypass security restrictions to conduct further attacks.


How to mitigate CVE-2018-20248

Update to version 16.12.

Sources