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CVE-2007-2243

CVE information

Published

16 years ago

Last Modified

6 years ago

CVSSv2.0 Severity

Medium

Impact Analysis

Share

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..

CVSSv2.0 Score

Severity
Medium
Base Score
5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
Partial
Availability Impact
None
Integrity Impact
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:openbsd:openssh:3.8:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.8.1p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:4.3p2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.2.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.0.2p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:4.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.8.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:2.1.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.7.1p2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.2.3p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.1p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:2.5.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:2.9.9p2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.6.1p2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.9:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:1.2.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:2.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.6:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:1.2.3:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.7:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:4.0p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.5p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.0.1p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:4.4:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.7.1p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:2.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:1.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.3:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.2.2p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.9.1p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.0.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.4p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.6.1p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.0.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:2.9.9:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.6.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:4.1p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:1.2.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:4.2p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:4.5:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:2.9p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:2.9:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.7.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:1.2.27:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:4.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:2.5.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:2.3:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.4:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:4.4p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:4.3p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.5:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:2.5:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.0p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.3p1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:4.3:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:4.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:3.9.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:2.9p2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openbsd:openssh:4.6:*:*:*:*:*:*:*
  Yes
- -

References