Upstream information

CVE-2007-2243 at MITRE

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

Note from the SUSE Security Team

This issue does not affect openssh in SLES 9 and SLES 10, as no S/KEY support is built into our packages.,This issue does not affect openssh in SUSE Linux Enterprise 9 and SUSE Linux Enterprise 10, as no S/KEY support is built into our packages.

SUSE Bugzilla entries: 620222 [RESOLVED / WONTFIX], 628772 [RESOLVED / INVALID]

No SUSE Security Announcements cross referenced.