Heap-based buffer overflow in Artifex jbig2dec - CVE-2020-12268
Published: June 25, 2020
Vulnerability identifier: #VU29247
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-12268
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Artifex Software, Inc.
Affected software:
Artifex jbig2dec
Artifex jbig2dec
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 jbig2_image_compose() function in jbig2_image.c when processing JPEG files in Artifex jbig2dec. A remote attacker can pass specially crafted JPEG file to the application, 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-2020-12268
Install updates from vendor's website.