National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2007-4752 Detail

Description

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.

Source:  MITRE
Description Last Modified:  09/11/2007

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


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

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Hyperlink Resource
http://bugs.gentoo.org/show_bug.cgi?id=191321
http://docs.info.apple.com/article.html?artnum=307562
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01271085
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00008.html
http://security.gentoo.org/glsa/glsa-200711-02.xml
http://securityreason.com/securityalert/3126
http://support.avaya.com/elmodocs2/security/ASA-2008-399.htm
http://www.debian.org/security/2008/dsa-1576
http://www.mandriva.com/security/advisories?name=MDKSA-2007:236
http://www.openssh.com/txt/release-4.7
http://www.redhat.com/support/errata/RHSA-2008-0855.html
http://www.securityfocus.com/archive/1/archive/1/479760/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/483748/100/200/threaded
http://www.securityfocus.com/bid/25628
http://www.ubuntu.com/usn/usn-566-1
http://www.vupen.com/english/advisories/2007/3156
http://www.vupen.com/english/advisories/2008/0924/references
http://www.vupen.com/english/advisories/2008/2821
https://bugzilla.redhat.com/show_bug.cgi?id=280471
https://exchange.xforce.ibmcloud.com/vulnerabilities/36637
https://issues.rpath.com/browse/RPL-1706 Patch
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10809
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5599
https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00214.html

References to Check Content

Identifier:
oval:org.mitre.oval:def:10809
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10809
Identifier:
oval:org.mitre.oval:def:5599
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:5599

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2007-4752
NVD Published Date:
09/11/2007
NVD Last Modified:
09/28/2017