Zendframework Denial of Service vector via XEE injection
High severity
GitHub Reviewed
Published
Jun 7, 2024
to the GitHub Advisory Database
•
Updated Jun 7, 2024
Package
Affected versions
>= 1.0.0, < 1.11.13
Patched versions
1.11.13
Description
Published to the GitHub Advisory Database
Jun 7, 2024
Reviewed
Jun 7, 2024
Last updated
Jun 7, 2024
Zend_Dom
,Zend_Feed
,Zend_Soap
, andZend_XmlRpc
are vulnerable to XML Entity Expansion (XEE) vectors, leading to Denial of Service vectors. XEE attacks occur when the XML DOCTYPE declaration includes XML entity definitions that contain either recursive or circular references; this leads to CPU and memory consumption, making Denial of Service exploits trivial to implement.References