SB2025021901 - Ubuntu update for openssh
Published: February 19, 2025
Security Bulletin ID
SB2025021901
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Man-in-the-Middle (MitM) attack (CVE-ID: CVE-2025-26465)
CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')
CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform MitM attack.
The
vulnerability exists due to incorrect processing of user-supplied data
in ssh(1). A remote attacker can perform server impersonation when
VerifyHostKeyDNS enabled.
Remediation
Install update from vendor's website.