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

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
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

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Hyperlink Resource
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:09.openssh.asc
http://bugzilla.mindrot.org/show_bug.cgi?id=839
http://securityreason.com/securityalert/520
http://securitytracker.com/id?1015706 Patch
http://www.securityfocus.com/bid/16892 Patch
http://www.vupen.com/english/advisories/2006/0805 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/25116

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2006-0883
NVD Published Date:
03/06/2006
NVD Last Modified:
07/19/2017