THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
Summary
A remote attacker may create a DoS attack by sending crafted xml request when using the Struts REST pluginWho 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Impact of vulnerability | A DoS attack is possible when using outdated XStream library with the Struts REST plugin |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 |
Recommendation | Upgrade to Struts 2.5.13 or Struts 2.3.34 |
Affected Software | Struts 2.1.6 - 2.3.33 Struts 2.5 - 2.5.12 |
Reporter | 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The REST Plugin is using outdated XStream library which is vulnerable and allow perform a DoS attack using malicious request with specially crafted XML payload.
Solution
Upgrade to Apache Struts version 2.5.13 or 2.3.34.
Backward compatibility
No backward incompatibility issues are expected.
Workaround
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.