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Exploits
ID:8898 - Exploit for User enumeration in OpenSSH - CVE-2018-15473
ID:8898 - Exploit for User enumeration in OpenSSH - CVE-2018-15473
Published: March 9, 2023
Vulnerability identifier: #VU14440
Vulnerability risk: Medium
CVE-ID: CVE-2018-15473
CWE-ID: CWE-388
Exploitation vector: Remote access
Vulnerable software:
OpenSSH
OpenSSH
Link to public exploit:
Vulnerability description
The vulnerability allows a remote attacker to enumerate all accounts on the system.
The vulnerability exists due to a logical error in auth2-gss.c, auth2-hostbased.c, and auth2-pubkey.c files when processing authentication requests. A remote attacker can send a specially crafted chain of packets and monitor behavior of openssh server to determine presence of a valid username. The server will drop connection upon receiving a malformed authentication packets if the username is valid.
Remediation
Update to version 7.8.
You can also install patch from GIT repository: