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Excerpt

A remote attacker may create a DoS attack by sending crafted xml request when using the Struts REST plugin


Who should read this

All Struts 2 developers and users

Impact of vulnerability

A DoS attack is possible when using outdated XStream library with the Struts REST plugin

Maximum security rating

Medium

Moderate

Recommendation

Upgrade to Struts 2.5.13 or Struts 2.3.34

Affected Software

Struts 2.

3

1.

7

6 -

Struts

2.3.33

,

Struts 2.5 -

Struts 2

 2.5.12

Reporter

chenhuijun <874892484 at qq dor com>

Huijun Chen, Xiaolong Zhu

CVE Identifier

CVE-2017-9793

Problem

The REST Plugin is using outdated XStream library which is vulnerable and allow perform a DoS attack using malicious request with specially crafted XML payload.

...

When using Maven, you can exclude the XStream library and use the latest 1.4.10 version. In other case replace the XStream jar in your final distribution package.