drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mangelnde Rechteprüfung in thttpd
Name: |
Mangelnde Rechteprüfung in thttpd |
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ID: |
200701-28 |
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Distribution: |
Gentoo |
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Keine Angabe |
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Datum: |
Do, 1. Februar 2007, 00:02 |
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Referenzen: |
Keine Angabe |
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Applikationen: |
thttpd |
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Originalnachricht |
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200701-28 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Low Title: thttpd: Unauthenticated remote file access Date: January 31, 2007 Bugs: #142047 ID: 200701-28
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Synopsis ========
The default configuration of the Gentoo thttpd package potentially allows unauthenticated access to system files when used with newer versions of baselayout.
Background ==========
thttpd is a webserver designed to be simple, small, and fast.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-servers/thttpd < 2.25b-r6 >= 2.25b-r6
Description ===========
thttpd is vulnerable to an underlying change made to the start-stop-daemon command in the current stable Gentoo baselayout package (version 1.12.6). In the new version, the start-stop-daemon command performs a "chdir /" command just before starting the thttpd process. In the Gentoo default configuration, this causes thttpd to start with the document root set to "/", the sytem root directory.
Impact ======
When thttpd starts with the document root set to the system root directory, all files on the system that are readable by the thttpd process can be remotely accessed by unauthenticated users.
Workaround ==========
Alter the THTTPD_OPTS variable in /etc/conf.d/thttpd to include the "-d" option to specify the document root. Alternatively, modify the THTTPD_OPTS variable in /etc/conf.d/thttpd to specify a thttpd.conf file using the "-C" option, and then configure the "dir=" directive in that thttpd.conf file.
Resolution ==========
All thttpd users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=www-servers/thttpd-2.25b-r5"
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200701-28.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 2007 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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