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: 5/31/2016 6:56:23 PM

CVE Publication rate: 19.57

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: 12.29
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-2007-4752

Original release date: 09/11/2007
Last revised: 08/08/2014


ssh in OpenSSH before 4.7 does not properly handle when an untrusted cookie cannot be created and uses a trusted X11 cookie instead, which allows attackers to violate intended policy and gain privileges by causing an X client to be treated as trusted.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 HIGH
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Provides user account access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (08/28/2008)
This issue did not affect the OpenSSH packages as distributed with Red Hat Enterprise Linux 2.1 or 3, as they do not support Trusted X11 forwarding. For Red Hat Enterprise Linux 4 and 5, this issue was addressed via: https://rhn.redhat.com/errata/RHSA-2008-0855.html

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: BUGTRAQ
Name: 20071115 Re: HPSBUX02287 SSRT071485 rev.1 - HP-UX Running HP Secure Shell, Remotely Gain Extended Privileges
External Source: SUSE
Name: SUSE-SR:2007:022
External Source: HP
Name: HPSBUX02287
External Source: CONFIRM
Name: http://bugs.gentoo.org/show_bug.cgi?id=191321
External Source: VUPEN
Name: ADV-2008-2821
External Source: CONFIRM
Name: http://docs.info.apple.com/article.html?artnum=307562
External Source: UBUNTU
Name: USN-566-1
External Source: BID
Name: 25628
External Source: DEBIAN
Name: DSA-1576
External Source: OVAL
Name: oval:org.mitre.oval:def:10809
External Source: APPLE
Name: APPLE-SA-2008-03-18
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-1706
Type: Patch Information
External Source: OVAL
Name: oval:org.mitre.oval:def:5599
External Source: CONFIRM
Name: http://www.openssh.com/txt/release-4.7
External Source: XF
Name: openssh-x11cookie-privilege-escalation(36637)
External Source: SREASON
Name: 3126
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2008-399.htm
External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=280471
External Source: MANDRIVA
Name: MDKSA-2007:236
External Source: VUPEN
Name: ADV-2008-0924
External Source: FEDORA
Name: FEDORA-2007-715
External Source: REDHAT
Name: RHSA-2008:0855
External Source: BUGTRAQ
Name: 20070917 FLEA-2007-0055-1 openssh openssh-client openssh-server gnome-ssh-askpass
External Source: GENTOO
Name: GLSA-200711-02
External Source: VUPEN
Name: ADV-2007-3156

References to Check Content

Identifier: oval:org.mitre.oval:def:10809
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier: oval:org.mitre.oval:def:5599
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)