National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2006-0883 Detail

Current Description

OpenSSH on FreeBSD 5.3 and 5.4, when used with OpenPAM, does not properly handle when a forked child process terminates during PAM authentication, which allows remote attackers to cause a denial of service (client connection refusal) by connecting multiple times to the SSH server, waiting for the password prompt, then disconnecting.

Source:  MITRE      Last Modified:  03/06/2006      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2006-0883
Original release date:
03/06/2006
Last revised:
07/19/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (08/30/2006)

This issue did not affect the versions of OpenSSH as distributed with Red Hat Enterprise Linux 2.1, 3, or 4.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource Type Source Name
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:09.openssh.asc External Source FREEBSD FreeBSD-SA-06:09
http://bugzilla.mindrot.org/show_bug.cgi?id=839 External Source CONFIRM http://bugzilla.mindrot.org/show_bug.cgi?id=839
http://securityreason.com/securityalert/520 External Source SREASON 520
http://securitytracker.com/id?1015706 Patch External Source SECTRACK 1015706
http://www.securityfocus.com/bid/16892 Patch External Source BID 16892
http://www.vupen.com/english/advisories/2006/0805 Vendor Advisory External Source VUPEN ADV-2006-0805
https://exchange.xforce.ibmcloud.com/vulnerabilities/25116 External Source XF openssh-openpam-dos(25116)

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History 2 change records found - show changes