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.
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