Threat Level: green Handler on Duty: Didier Stevens

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YASRV (Yet Another Struts RCE Vulnerability) yes a different one from yesterday

Yesterday saw CVE-2017-9805, today we have a new remote code execution vulnerability in Apache Struts 2 which is CVE-2017-12611. Yesterdays was in the REST API and related to Java XML unsafe deserializarion. Todays relates to using Freemarker in your application. Both should encourage you to patch.

Current versions are Struts 2.3.34 and Struts 2.5.13.

Cheers,
Adrien de Beaupré, SANS Instructor and #SEC642 Co-author

I will be teaching next: Enterprise and Cloud | Threat and Vulnerability Assessment - SANS Secure Japan 2022

Adrien de Beaupre

353 Posts
ISC Handler
Sep 8th 2017

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