CVE-2019-10912: Prevent destructors with side-effects from being unserialized
Symfony 2.8.0 to 2.8.49, 3.4.0 to 3.4.25, 4.1.0 to 4.1.11 and 4.2.0 to 4.2.6 versions of the Symfony Cache component are affected by this security issue.
The issue has been fixed in Symfony 2.8.50, 3.4.26, 4.1.12 and 4.2.7.
Note that no fixes are provided for Symfony 3.0, 3.1, 3.2, 3.3, and 4.0 as they are not maintained anymore and that 2.7 is unaffected.
unserialize() is called with content coming from user input, malicious payloads could be used to trigger file deletions or raw output being echoed.
We now prevent some classes from being serialized or unserialized.
The patch for this issue is available here for branch 3.4.
I would like to thank Mindaugas Vedegys for reporting the issue and Nicolas Grekas for fixing the issue.
CVE-2019-10912: Prevent destructors with side-effects from being unserialized symfony.com/blog/cve-2019-10912-prevent-destructors-with-side-effects-from-being-unserializedTweet this
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