Heap-based buffer overflow in OpenJPEG - CVE-2020-8112

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Main Vulnerability Database Vulnerabilities #VU25546

Heap-based buffer overflow in OpenJPEG - CVE-2020-8112

Published: February 24, 2020 / Updated: December 29, 2020


Vulnerability identifier: #VU25546
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-8112
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: openjpeg.org
Affected software:
OpenJPEG

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the the qmfbid==1 case, a different issue than CVE-2020-6851. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2020-8112

Install update from vendor's website.

Sources