CVE-2003-0190 Information disclosure in n/a
Remote attackers can enumerate valid usernames via timing differences in OpenSSH when PAM is enabled, facilitating targeted attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2003-0190?
CVE-2003-0190 is a medium-severity vulnerability in OpenSSH, published on 2 May 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.
Weakness: CWE-203
Which versions are affected by CVE-2003-0190?
It affects 4 products.
Products include OpenSSH, Openpkg Openpkg, Siemens Scalance X204rna Ecc Firmware, Siemens Scalance X204rna Firmware.
How do I fix CVE-2003-0190?
Upgrade to a fixed version.
Is CVE-2003-0190 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2003-0190 exists.
Public exploit code: 1 Metasploit module and 3 Exploit-DB entries.
Other vulnerabilities in OpenSSH
Sources
Also known as DEBIAN-CVE-2003-0190, GHSA-32j7-fc74-pjwq.