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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200504-12] rsnapshot: Local privilege escalation


Vulnerability Assessment Details

[GLSA-200504-12] rsnapshot: Local privilege escalation

Vulnerability Assessment Summary
rsnapshot: Local privilege escalation

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200504-12
(rsnapshot: Local privilege escalation)


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.

References:
http://www.rsnapshot.org/security/2005/001.html


Solution:
All rsnapshot users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose net-misc/rsnapshot


Network Security Threat Level: High


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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