drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mangelnde Prüfung von Zugriffsrechten in shadow
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Mangelnde Prüfung von Zugriffsrechten in shadow
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ID: |
200411-09 |
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Distribution: |
Gentoo |
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Keine Angabe |
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Datum: |
Fr, 5. November 2004, 12:00 |
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Referenzen: |
http://ftp.pld.org.pl/software/shadow/NEWS |
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Originalnachricht |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200411-09 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Low Title: shadow: Unauthorized modification of account information Date: November 04, 2004 Bugs: #69212 ID: 200411-09
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Synopsis ========
A flaw in the chfn and chsh utilities might allow modification of account properties by unauthorized users.
Background ==========
shadow provides a set of utilities to deal with user accounts.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-apps/shadow < 4.0.5-r1 >= 4.0.5-r1
Description ===========
Martin Schulze reported a flaw in the passwd_check() function in "libmisc/pwdcheck.c" which is used by chfn and chsh.
Impact ======
A local attacker may be able to use chfn and chsh to change the standard shell of other users or modify their GECOS information (full name, phone number...).
Workaround ==========
There is no known workaround at this time.
Resolution ==========
All shadow users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/shadow-4.0.5-r1"
References ==========
[ 1 ] shadow NEWS file http://ftp.pld.org.pl/software/shadow/NEWS
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200411-09.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 2004 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/1.0
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