SB2020071411 - Red Hat Enterprise Linux 8 update for jbig2dec
Published: July 14, 2020
Security Bulletin ID
SB2020071411
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2020-12268)
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.
Remediation
Install update from vendor's website.