34601 : OPIE w/ OpenSSH Account Enumeration
Printer | http://osvdb.org/34601 | Email This | Edit Vulnerability

Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
16	2139	about 6 years ago	3 months ago	2 times	85%

Timeline

Disclosure Date
2007-04-25

Description

OPIE, as used in OpenSSH and possibly other programs, contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when a remote attacker systematically attempts authentication for a list of usernames, which will disclose the presence of valid accounts due to the way OPIE challenges for authentication.

Classification

Location: Remote / Network Access
Attack Type: Information Disclosure
Impact: Loss of Confidentiality

Solution

Currently, there are no known upgrades, patches, or workarounds available to correct this issue.

Products

Craig Metz

OPIE

Unknown or Unspecified

References

CVE ID: 2007-2768 (see also: NVD)
Mail List Post: http://archives.neohapsis.com/archives/fulldisclosure/2007-04/0635.html
http://attrition.org/pipermail/vim/2007-May/001617.html
Vendor URL: http://www.inner.net/opie

Credit

Stanislaw Klekot - dozziedynamit.im.pwr.wroc.pl -

CVSSv2 Score

CVSSv2 Base Score = 4.3
Source: nvd.nist.gov | Generated: 2007-05-22 | Disagree?

Comments

Add Comment Hide Add Comment

No Comments.

The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and there are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the copyright holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.