SB2020121503 - Red Hat Enterprise Linux 7 update for libexif
Published: December 15, 2020 Updated: September 13, 2021
Security Bulletin ID
SB2020121503
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) Buffer overflow (CVE-ID: CVE-2020-0452)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a compiler optimization that removes protection against buffer overflow in libexif. A remote attacker can create a specially crafted EXIF file, trick the victim into opening it, trigger memory corruption 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.