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Who should read this

All Struts 2 developers and users

Impact of vulnerability

Possible Remote Code Execution vulnerability

Maximum security rating

Important

Recommendation

Always validate incoming parameters' values when re-assigning them to certain Struts' tags attributes.

Don't use %{...} syntax in tag attributes other than value unless you have a valid use-case.

Alternatively upgrade to Struts 2.3.28

Affected Software

Struts 2.0.0 - Struts Struts 2.3.24.1

Reporters

Romain Gaucher rgaucher at coverity dot com - Coverity

Lupin lupin1314 at gmail dot com - jd.com security team

nike.zheng at dbappsecurity dot com dot cn - dbappsecurity team

genxors at gmail dot com - Qihoo 360 SkyEye Lab

CVE Identifier

CVE-2016-0785

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