CVE-2007-2243 Information disclosure in n/a
Remote attackers can enumerate valid user accounts on OpenSSH servers when ChallengeResponseAuthentication is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2007-2243?
CVE-2007-2243 is a medium-severity vulnerability in OpenSSH, published on 25 Apr 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OpenSSH 4.6 and earlier, when ChallengeResponseAuthentication is enabled, allows remote attackers to determine the existence of user accounts by attempting to authenticate via S/KEY, which displays a different response if the user account exists, a similar issue to CVE-2001-1483.
Weakness: CWE-287
Which versions are affected by CVE-2007-2243?
It affects 1 product.
Products include OpenSSH.
How do I fix CVE-2007-2243?
No fix has been published for CVE-2007-2243 yet. Limit exposure of the affected software until one is available.
Is CVE-2007-2243 being exploited?
There is no known exploitation of CVE-2007-2243 in the wild and no public exploit code.
Other vulnerabilities in OpenSSH
Sources
Also known as DEBIAN-CVE-2007-2243, GHSA-p5mx-m79g-73hx.