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rsnapshot "copy_symlink()" Privilege Escalation Vulnerability
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Secunia Advisory:
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SA14878
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Release Date:
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2005-04-11
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Last Update:
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2005-04-14
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Popularity:
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5,256 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| Software: | rsnapshot 1.x
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| CVE reference: | CVE-2005-1064
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Description:
A vulnerability has been reported in rsnapshot, which can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
The vulnerability is caused due to an error in the "copy_symlink()" function where file permissions for symlinks incorrectly is set on the original file. This can be exploited in certain situations to take ownership of arbitrary files by placing a malicious symlink in a directory being backed up.
The vulnerability has been reported in version 1.2.0 and 1.1.6, and prior.
Solution:
Update to version 1.1.7 or 1.2.1.
http://www.rsnapshot.org/downloads.html
Provided and/or discovered by:
Reported by vendor.
Changelog:
2005-04-14: Added CVE reference.
Original Advisory:
http://www.rsnapshot.org/security/2005/001.html
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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