The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 does not prevent directory traversal, which allows attackers to bypass a deserialization protection mechanism, as demonstrated by a phar:///path/bad.phar/../good.phar URL.
{ "nvd_published_at": "2019-05-09T04:29:00Z", "cwe_ids": [ "CWE-22", "CWE-502" ], "severity": "CRITICAL", "github_reviewed": true, "github_reviewed_at": "2021-09-30T16:49:05Z" }