Upstream information

CVE-2007-2768 at MITRE

Description

OpenSSH, when using OPIE (One-Time Passwords in Everything) for PAM, allows remote attackers to determine the existence of certain user accounts, which displays a different response if the user account exists and is configured to use one-time passwords (OTP), a similar issue to CVE-2007-2243.

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 4.3
Vector AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

Note from the SUSE Security Team

Due to the nature of OTP authentification, hiding existence of users is not possible. So we will not fix this issue.

SUSE Bugzilla entry: 628772 [RESOLVED / INVALID]

No SUSE Security Announcements cross referenced.