Mission and Overview
NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).
Resource Status
NVD contains:

Last updated: 4/17/2014

CVE Publication rate: 20.47

Email List

NVD provides four mailing lists to the public. For information and subscription instructions please visit NVD Mailing Lists

Workload Index
Vulnerability Workload Index: 8.94
About Us
NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber Awareness System

Vulnerability Summary for CVE-2011-5000

Original release date: 04/05/2012
Last revised: 07/21/2012
Source: US-CERT/NIST

Overview

The ssh_gssapi_parse_ename function in gss-serv.c in OpenSSH 5.8 and earlier, when gssapi-with-mic authentication is enabled, allows remote authenticated users to cause a denial of service (memory consumption) via a large value in a certain length field. NOTE: there may be limited scenarios in which this issue is relevant.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 3.5 (MEDIUM) (AV:N/AC:M/AU:S/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 6.8
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Required to exploit
Impact Type: Allows disruption of service

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.

External Source: FULLDISC
Name: 20110801 Useless OpenSSH resources exhausion bug via GSSAPI
External Source: MISC
Name: http://site.pi3.com.pl/adv/ssh_1.txt
External Source: REDHAT
Name: RHSA-2012:0884

Vulnerable software and versions

Skip Navigation Links.
Collapse Configuration 1Configuration 1
Collapse OROR
* cpe:/a:openbsd:openssh:5.8 and previous versions
* cpe:/a:openbsd:openssh:5.7
* cpe:/a:openbsd:openssh:5.6
* cpe:/a:openbsd:openssh:5.5
* cpe:/a:openbsd:openssh:5.4
* cpe:/a:openbsd:openssh:5.3
* cpe:/a:openbsd:openssh:5.2
* cpe:/a:openbsd:openssh:5.1
* cpe:/a:openbsd:openssh:5.0
* cpe:/a:openbsd:openssh:4.9
* cpe:/a:openbsd:openssh:4.8
* cpe:/a:openbsd:openssh:4.7
* cpe:/a:openbsd:openssh:4.6
* cpe:/a:openbsd:openssh:4.5
* cpe:/a:openbsd:openssh:4.0p1
* cpe:/a:openbsd:openssh:4.2p1
* cpe:/a:openbsd:openssh:4.1p1
* cpe:/a:openbsd:openssh:4.3p2
* cpe:/a:openbsd:openssh:4.3p1
* cpe:/a:openbsd:openssh:4.4p1
* cpe:/a:openbsd:openssh:4.0
* cpe:/a:openbsd:openssh:4.1
* cpe:/a:openbsd:openssh:4.2
* cpe:/a:openbsd:openssh:4.3
* cpe:/a:openbsd:openssh:4.4
* cpe:/a:openbsd:openssh:3.7.1p2
* cpe:/a:openbsd:openssh:3.8
* cpe:/a:openbsd:openssh:3.8.1
* cpe:/a:openbsd:openssh:3.8.1p1
* cpe:/a:openbsd:openssh:3.9
* cpe:/a:openbsd:openssh:3.9.1
* cpe:/a:openbsd:openssh:3.9.1p1
* cpe:/a:openbsd:openssh:3.0.2p1
* cpe:/a:openbsd:openssh:3.1
* cpe:/a:openbsd:openssh:3.2
* cpe:/a:openbsd:openssh:3.1p1
* cpe:/a:openbsd:openssh:3.0.1
* cpe:/a:openbsd:openssh:3.0p1
* cpe:/a:openbsd:openssh:3.0.2
* cpe:/a:openbsd:openssh:3.0.1p1
* cpe:/a:openbsd:openssh:3.0
* cpe:/a:openbsd:openssh:3.6.1p2
* cpe:/a:openbsd:openssh:3.7
* cpe:/a:openbsd:openssh:3.7.1
* cpe:/a:openbsd:openssh:3.7.1p1
* cpe:/a:openbsd:openssh:3.5p1
* cpe:/a:openbsd:openssh:3.6
* cpe:/a:openbsd:openssh:3.6.1
* cpe:/a:openbsd:openssh:3.6.1p1
* cpe:/a:openbsd:openssh:3.3p1
* cpe:/a:openbsd:openssh:3.4
* cpe:/a:openbsd:openssh:3.4p1
* cpe:/a:openbsd:openssh:3.5
* cpe:/a:openbsd:openssh:3.2.2
* cpe:/a:openbsd:openssh:3.2.2p1
* cpe:/a:openbsd:openssh:3.2.3p1
* cpe:/a:openbsd:openssh:3.3
* cpe:/a:openbsd:openssh:1.5.7
* cpe:/a:openbsd:openssh:1.5.8
* cpe:/a:openbsd:openssh:1.3
* cpe:/a:openbsd:openssh:1.5
* cpe:/a:openbsd:openssh:1.2.27
* cpe:/a:openbsd:openssh:1.2.3
* cpe:/a:openbsd:openssh:1.2.1
* cpe:/a:openbsd:openssh:1.2.2
* cpe:/a:openbsd:openssh:1.2
* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)