SB2025041509 - Host key reuse in Jenkins ssh-agent Docker images
Published: April 15, 2025
Security Bulletin ID
SB2025041509
CSH 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 vulnerability.
1) Reusing a Nonce, Key Pair in Encryption (CVE-ID: CVE-2025-32754)
CWE-ID: CWE-323 - Reusing a Nonce, Key Pair in Encryption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to SSH host keys are generated on image creation for images based on Debian. A remote attacker can insert themselves into the network path between the SSH client and SSH build agent to impersonate the latter.
Remediation
Install update from vendor's website.