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.
{
"cwe_ids": [
"CWE-22",
"CWE-502"
],
"github_reviewed": true,
"nvd_published_at": "2019-05-09T04:29:00Z",
"github_reviewed_at": "2021-09-30T16:49:05Z",
"severity": "CRITICAL"
}