Insecure deserialization In typo3/cms-core

Description

Deserialization of untrusted data in Symfony In Symfony before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, it is possible to cache objects that may contain bad user input. On serialization or unserialization, this could result in the deletion of files that the current user has access to. This is related to symfony/cache and symfony/phpunit-bridge.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Package
Affected version
Patched versions

References

1. https://github.com/symfony/symfony/commit/4fb975281634b8d49ebf013af9e502e67c28816b2. https://www.debian.org/security/2019/dsa-44413. https://typo3.org/security/advisory/typo3-core-sa-2019-0164. https://symfony.com/cve-2019-109125. https://symfony.com/blog/cve-2019-10912-prevent-destructors-with-side-effects-from-being-unserialized6. https://seclists.org/bugtraq/2019/May/217. https://lists.fedoraproject.org/archives/list/[email protected]/message/ZLOZX5BZMQKWG7PJRQL6MB5CAMKBQAWD8. https://lists.fedoraproject.org/archives/list/[email protected]/message/RTJGZJLPG5FHKFH7KNAKNTWOGBB6LXAL9. https://lists.fedoraproject.org/archives/list/[email protected]/message/MDSM576XIOVXVCMHNJHLBBZBTOD62LDA10. https://lists.fedoraproject.org/archives/list/[email protected]/message/LFARAUAWZE4UDSKVDWRD35D75HI5UGSD11. https://lists.fedoraproject.org/archives/list/[email protected]/message/BHHIG4GMSGEIDT3RITSW7GJ5NT6IBHXU12. https://lists.fedoraproject.org/archives/list/[email protected]/message/BAC2TQVEEH5FDJSSWPM2BCRIPTCOEMMO13. https://lists.fedoraproject.org/archives/list/[email protected]/message/6QEAOZXVNDA63537A2OIH4QE77EKZR5O14. https://lists.fedoraproject.org/archives/list/[email protected]/message/42UEKSLKJB72P24JBWVN6AADHLMYSUQD15. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLOZX5BZMQKWG7PJRQL6MB5CAMKBQAWD16. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTJGZJLPG5FHKFH7KNAKNTWOGBB6LXAL17. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDSM576XIOVXVCMHNJHLBBZBTOD62LDA18. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFARAUAWZE4UDSKVDWRD35D75HI5UGSD19. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BHHIG4GMSGEIDT3RITSW7GJ5NT6IBHXU20. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BAC2TQVEEH5FDJSSWPM2BCRIPTCOEMMO21. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QEAOZXVNDA63537A2OIH4QE77EKZR5O22. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42UEKSLKJB72P24JBWVN6AADHLMYSUQD23. https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2019-10912.yaml24. https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2019-10912.yaml25. https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2019-10912.yaml26. https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/phpunit-bridge/CVE-2019-10912.yaml27. https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/cache/CVE-2019-10912.yaml