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.
www.securityfocus.com/bid/108302
github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2019-11831.yaml
github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2019-11831.yaml
github.com/FriendsOfPHP/security-advisories/blob/master/typo3/phar-stream-wrapper/CVE-2019-11831.yaml
github.com/TYPO3/phar-stream-wrapper
github.com/TYPO3/phar-stream-wrapper/releases/tag/v2.1.1
github.com/TYPO3/phar-stream-wrapper/releases/tag/v3.1.1
lists.debian.org/debian-lts-announce/2019/05/msg00029.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QDJVUJPUW3RZ4746SC6BX4F4T6ZXNBH
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUEXS4HRI4XZ2DTZMWAVQBYBTFSJ34AR
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E3NUKPG7V4QEM6QXRMHYR4ABFMW5MM2P
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z246UWBXBEKTQUDTLRJTC7XYBIO4IBE4
lists.fedoraproject.org/archives/list/[email protected]/message/65ODQHDHWR74L6TCAPAQR5FQHG6MCXAW
lists.fedoraproject.org/archives/list/[email protected]/message/6QDJVUJPUW3RZ4746SC6BX4F4T6ZXNBH
lists.fedoraproject.org/archives/list/[email protected]/message/AUEXS4HRI4XZ2DTZMWAVQBYBTFSJ34AR
lists.fedoraproject.org/archives/list/[email protected]/message/E3NUKPG7V4QEM6QXRMHYR4ABFMW5MM2P
lists.fedoraproject.org/archives/list/[email protected]/message/U6JX7WR6DPMKCZQP7EYFACYXSGJ3K523
lists.fedoraproject.org/archives/list/[email protected]/message/Z246UWBXBEKTQUDTLRJTC7XYBIO4IBE4
nvd.nist.gov/vuln/detail/CVE-2019-11831
seclists.org/bugtraq/2019/May/36
typo3.org/security/advisory/typo3-psa-2019-007
www.debian.org/security/2019/dsa-4445
www.drupal.org/sa-core-2019-007
www.synology.com/security/advisory/Synology_SA_19_22