CVE-2016-6795: Path Traversal
First published: Wed Sep 20 2017(Updated: )
In Apache Struts 2.3.x before 2.3.31, and 2.5.x before 2.5.5, it is possible to prepare a special URL which will be used for path traversal and execution of arbitrary code on server side. This vulnerability is only exploitable when using the Struts 2 Convention plugin in conjunction with Apache Struts.
Credit: security@apache.org security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/org.apache.struts:struts2-convention-plugin | >=2.5.0<2.5.5 | 2.5.5 |
| maven/org.apache.struts:struts2-convention-plugin | >=2.3.0<2.3.31 | 2.3.31 |
| =2.3.20 | ||
| =2.3.20.1 | ||
| =2.3.20.2 | ||
| =2.3.20.3 | ||
| =2.3.21 | ||
| =2.3.22 | ||
| =2.3.23 | ||
| =2.3.24 | ||
| =2.3.24.1 | ||
| =2.3.24.2 | ||
| =2.3.24.3 | ||
| =2.3.25 | ||
| =2.3.26 | ||
| =2.3.27 | ||
| =2.3.28 | ||
| =2.3.28.1 | ||
| =2.3.29 | ||
| =2.3.30 | ||
| Apache Struts | =2.3.20 | |
| Apache Struts | =2.3.20.1 | |
| Apache Struts | =2.3.20.2 | |
| Apache Struts | =2.3.20.3 | |
| Apache Struts | =2.3.21 | |
| Apache Struts | =2.3.22 | |
| Apache Struts | =2.3.23 | |
| Apache Struts | =2.3.24 | |
| Apache Struts | =2.3.24.1 | |
| Apache Struts | =2.3.24.2 | |
| Apache Struts | =2.3.24.3 | |
| Apache Struts | =2.3.25 | |
| Apache Struts | =2.3.26 | |
| Apache Struts | =2.3.27 | |
| Apache Struts | =2.3.28 | |
| Apache Struts | =2.3.28.1 | |
| Apache Struts | =2.3.29 | |
| Apache Struts | =2.3.30 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2016-6795
- https://security.netapp.com/advisory/ntap-20180629-0003/
- https://struts.apache.org/docs/s2-042.html
- https://github.com/apache/struts/commit/8e67b9144aa643769b261e2492cb561e04d016ab
- https://github.com/apache/struts/commit/c1869f4989942dd33fa4e189e0ac1f766fb5ac14
- https://web.archive.org/web/20200227214705/http://www.securityfocus.com/bid/93773
- https://github.com/advisories/GHSA-44hv-jjx7-qfjg (Advisory)
- http://www.securityfocus.com/bid/93773
Frequently Asked Questions
What is the severity of CVE-2016-6795?
CVE-2016-6795 has a critical severity rating due to its potential for remote code execution.
How do I fix CVE-2016-6795?
To fix CVE-2016-6795, upgrade to Apache Struts 2.5.5 or 2.3.31 or later versions.
Which Apache Struts versions are affected by CVE-2016-6795?
CVE-2016-6795 affects Apache Struts versions 2.3.x before 2.3.31 and 2.5.x before 2.5.5.
Can CVE-2016-6795 be exploited without the Convention plugin?
No, CVE-2016-6795 is only exploitable when the Struts 2 Convention plugin is in use.
What is the impact if CVE-2016-6795 is exploited?
Exploitation of CVE-2016-6795 can lead to path traversal and execution of arbitrary code on the server.
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- version/apache struts/2.3.24.3
- version/apache struts/2.3.25
- version/apache struts/2.3.26
- version/apache struts/2.3.27
- version/apache struts/2.3.28
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- version/apache struts/2.3.30
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