SB2025032014 - Improper Verification of Cryptographic Signature in Jenkins EDDSA API plugin
Published: March 20, 2025
Security Bulletin ID
SB2025032014
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
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-2020-36843)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the EdDSA implementation in affected plugin exhibits signature malleability. A remote user can create new valid signatures different from previous signatures for a known message.
Remediation
Install update from vendor's website.