SB2021111209 - Red Hat Enterprise Linux 8 update for dnf
Published: November 12, 2021
Security Bulletin ID
SB2021111209
Severity
Medium
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) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2021-3445)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient verification of cryptographic signature in libdnf. A remote attacker can create a specially crafted RPM package with altered header information, trick the victim into installing it and compromise the affected system.
Remediation
Install update from vendor's website.