CVE-2016-4438: Input Validation
First published: Mon Jun 20 2016(Updated: )
It was found that it is possible to pass a malicious expression which can be used to execute arbitrary code on server side when using the REST Plugin. External References: <a href="https://struts.apache.org/docs/s2-037.html">https://struts.apache.org/docs/s2-037.html</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/org.apache.struts:struts2-rest-plugin | >=2.3.19<2.3.29 | 2.3.29 |
| maven/org.apache.struts:struts2-core | >=2.3.19<2.3.29 | 2.3.29 |
| redhat/Struts | <2.3.29 | 2.3.29 |
| Apache Struts 2 | =2.3.20 | |
| Apache Struts 2 | =2.3.20.1 | |
| Apache Struts 2 | =2.3.20.3 | |
| Apache Struts 2 | =2.3.24 | |
| Apache Struts 2 | =2.3.24.1 | |
| Apache Struts 2 | =2.3.24.3 | |
| Apache Struts 2 | =2.3.28 |
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Reference Links
- http://jvn.jp/en/jp/JVN07710476/index.html
- http://jvndb.jvn.jp/jvndb/JVNDB-2016-000110
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- http://www.securityfocus.com/bid/91275
- https://bugzilla.redhat.com/show_bug.cgi?id=1348238
- https://struts.apache.org/docs/s2-037.html
- https://nvd.nist.gov/vuln/detail/CVE-2016-4438
- https://github.com/apache/struts/commit/6d7ac40dcede1793a4534a3dc249fd562d495e8c
- https://github.com/apache/struts/commit/76eb8f38a33ad0f1f48464ee1311559c8d52dd6d
- https://github.com/apache/struts/commit/c9c21378f2fb2ff21355c128c45e106ebd87ad7c
- https://github.com/apache/struts/commit/deefeffd11425f0cd0b797cd86a9b3550234262b
- https://github.com/advisories/GHSA-4prj-vw9j-v6pr (Advisory)
Frequently Asked Questions
What is the severity of CVE-2016-4438?
CVE-2016-4438 is rated as high severity due to its potential to allow remote code execution on the server.
How do I fix CVE-2016-4438?
To fix CVE-2016-4438, upgrade the Apache Struts REST plugin to version 2.3.29 or later.
What versions are affected by CVE-2016-4438?
CVE-2016-4438 affects Apache Struts versions from 2.3.19 to 2.3.28.
What is the nature of the vulnerability in CVE-2016-4438?
CVE-2016-4438 allows the execution of arbitrary code on the server side through malicious expressions in the REST plugin.
Is my application vulnerable to CVE-2016-4438 if I am using Apache Struts?
Your application is vulnerable to CVE-2016-4438 if it uses the affected versions of the Apache Struts REST plugin or core.
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