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Gentoo Linux Security Advisory                           GLSA 200504-12
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                                            https://security.gentoo.org/
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  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
        
Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  https://security.gentoo.org/glsa/200504-12

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
https://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.

https://creativecommons.org/licenses/by-sa/2.0/

Gentoo: GLSA-200504-12: rsnapshot: Local privilege escalation

rsnapshot allow a local user to take ownership of local files, resulting in privilege escalation.

Summary

Gentoo Linux Security Advisory GLSA 200504-12 https://security.gentoo.org/ Severity: High Title: rsnapshot: Local privilege escalation Date: April 13, 2005 Bugs: #88681 ID: 200504-12

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
========== The copy_symlink() subroutine in rsnapshot follows symlinks when changing file ownership, instead of changing the ownership of the symlink it...

Read the Full Advisory

Resolution

References


Availability

Concerns

Severity

Synopsis

Background

Affected Packages

Impact

Workaround

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