Vulnerability CVE-2007-4752

Vulnerability CVE-2007-4752

Published: 2007-09-11 Modified: 2012-02-12

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.

See advisories in our WLB2 database:

	Topic	Author	Date
Med.	OpenSSH uses a trusted X11 cookie if creation of an untrusted cookie fails	Jonathan Smith	14.09.2007

Type:

CWE-20

(Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score	Impact Subscore	Exploitability Subscore
7.5/10	6.4/10	10/10

Exploit range	Attack complexity	Authentication
Remote	Low	No required
Confidentiality impact	Integrity impact	Availability impact
Partial	Partial	Partial

Affected software
Openssh -> Openssh
Openbsd -> Openssh

References:

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/1/479760/100/0/threaded

http://www.securityfocus.com/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

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

Vulnerability CVE-2007-4752

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.

See advisories in our WLB2 database:

Med.

OpenSSH uses a trusted X11 cookie if creation of an untrusted cookie fails

CWE-20

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

7.5/10

6.4/10

10/10

Remote

Low

No required

Partial

Partial

Partial

Affected software

References: