SB2021032236 - Fedora 32 update for busybox
Published: March 22, 2021
Security Bulletin ID
SB2021032236
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Handling of Exceptional Conditions (CVE-ID: CVE-2021-28831)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of error bit on the huft_build result pointer in decompress_gunzip.c. A remote attacker can pass malformed gzip data to the application, trigger an invalid free and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.