HighGHSA-2jx7-xg83-j2m7

Zendframework Denial of Service vector via XEE injection

Published 7 Jun 2024 · Updated 7 Jun 2024

Affected package

Affected: >=1.0.0 <1.11.13
Fixed in: 1.11.13

Update to the fixed version for your release line, for example:composer require zendframework/zendframework1:^1.11.13

Details

Zend_Dom, Zend_Feed, Zend_Soap, and Zend_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.

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References

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.