Tar.php in Archive_Tar through 1.4.11 allows write operations with Directory Traversal due to inadequate checking of symbolic links, a related issue to CVE-2020-28948. A flaw was found in the Archive_Tar package. Archive_Tar could allow a remote attacker to traverse directories on the system caused by inadequate checking of symbolic links. An attacker could send a specially-crafted URL request to the Tar.php script containing "dot dot" sequences (/../) to modify arbitrary files on the system.
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