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Name: |
Ausführen von Code mit höheren Privilegien in gnome-screensaver |
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ID: |
200804-12 |
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Distribution: |
Gentoo |
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Plattformen: |
Keine Angabe |
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Datum: |
Fr, 11. April 2008, 18:34 |
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Referenzen: |
http://www.gentoo.org/security/en/glsa/glsa-200705-14.xml
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0887 |
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Applikationen: |
GNOME |
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Originalnachricht |
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200804-12 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal Title: gnome-screensaver: Privilege escalation Date: April 11, 2008 Bugs: #213940 ID: 200804-12
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Synopsis ========
gnome-screensaver allows local users to bypass authentication under certain configurations.
Background ==========
gnome-screensaver is a screensaver, designed to integrate with the Gnome desktop, that can replace xscreensaver.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 gnome-extra/gnome-screensaver < 2.20.0-r3 >= 2.20.0-r3
Description ===========
gnome-screensaver incorrectly handles the results of the getpwuid() function in the file src/setuid.c when using directory servers (like NIS) during a network outage, a similar issue to GLSA 200705-14.
Impact ======
A local user can crash gnome-xscreensaver by preventing network connectivity if the system uses a remote directory service for credentials such as NIS or LDAP, which will unlock the screen.
Workaround ==========
There is no known workaround at this time.
Resolution ==========
All gnome-screensaver users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=gnome-extra/gnome-screensaver-2.20.0-r3"
References ==========
[ 1 ] CVE-2008-0887 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0887 [ 2 ] GLSA 200705-14 http://www.gentoo.org/security/en/glsa/glsa-200705-14.xml
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200804-12.xml
Concerns? =========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org.
License =======
Copyright 2008 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
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