OSVDB ID: 15420 Title: rsnapshot copy_symlink() Arbitrary File Ownership Modification |
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Description |
Rsnapshot contains a flaw that may allow a malicious user to gain access to unauthorized privileges. The issue is due to an error in the "copy_symlink()" function where file permissions for symlinks are incorrectly set on the original file. This flaw may allow an attacker to take ownership of arbitrary files by placing a malicious symlink in a directory being backed up, resulting in a loss of integrity. |
Classification |
Location:
Local Access Required
Attack Type: Race Condition Impact: Loss of Integrity Disclosure: OSVDB Verified, Vendor Verified |
Solution |
Upgrade to version 1.2.1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds. |
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Credit |
Unknown or Incomplete |