PEAR Archive_Tar Deserialization of Untrusted Data Vulnerability
PEAR Archive_Tar allows an unserialization attack because phar: is blocked but PHAR: is not blocked. PEAR stands for PHP Extension and Application Repository and it is an open-source framework and distribution system for reusable PHP components with known usage in third-party products such as Drupal Core and Red Hat Linux.
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For CVE-2020-28949, added to the catalogue on Aug 25, 2022 with a remediation deadline of Sep 15, 2022.
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