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Name: |
Mangelnde Prüfung von Zugriffsrechten in rsnapshot
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ID: |
200504-12 |
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Distribution: |
Gentoo |
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Plattformen: |
Keine Angabe |
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Datum: |
Do, 14. April 2005, 13:00 |
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Referenzen: |
http://www.rsnapshot.org/security/2005/001.html |
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Applikationen: |
rsnapshot |
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Originalnachricht |
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200504-12 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: High Title: rsnapshot: Local privilege escalation Date: April 13, 2005 Bugs: #88681 ID: 200504-12
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Synopsis ========
rsnapshot allow a local user to take ownership of local files, resulting in privilege escalation.
Background ==========
rsnapshot is a filesystem snapshot utility based on rsync, allowing local and remote systems backups.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/rsnapshot < 1.2.1 >= 1.2.1
Description ===========
The copy_symlink() subroutine in rsnapshot follows symlinks when changing file ownership, instead of changing the ownership of the symlink itself.
Impact ======
Under certain circumstances, local attackers can exploit this vulnerability to take ownership of arbitrary files, resulting in local privilege escalation.
Workaround ==========
The copy_symlink() subroutine is not called if the cmd_cp parameter has been enabled.
Resolution ==========
All rsnapshot users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/rsnapshot-1.2.1"
References ==========
[ 1 ] rsnapshot Security Advisory 001 http://www.rsnapshot.org/security/2005/001.html
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200504-12.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 2005 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/2.0
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