CVE-2016-8738: Input Validation
First published: Wed Sep 20 2017(Updated: )
If an application allows enter an URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/org.apache.struts:struts2-core | >=2.5.0<2.5.13 | 2.5.13 |
| Apache Struts 2 | =2.5 | |
| Apache Struts 2 | =2.5.1 | |
| Apache Struts 2 | =2.5.2 | |
| Apache Struts 2 | =2.5.3 | |
| Apache Struts 2 | =2.5.4 | |
| Apache Struts 2 | =2.5.5 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2016-8738
- https://security.netapp.com/advisory/ntap-20180629-0003/
- https://struts.apache.org/docs/s2-044.html
- https://github.com/apache/struts/commit/554b9dddb0fbd1e581ef577dd62a7c22955ad0f6
- https://github.com/advisories/GHSA-86vq-8qhc-5rqw (Advisory)
- http://www.securityfocus.com/bid/94657
Frequently Asked Questions
What is the severity of CVE-2016-8738?
CVE-2016-8738 has a high severity rating due to its potential for denial of service attacks.
How do I fix CVE-2016-8738?
To fix CVE-2016-8738, upgrade to Apache Struts version 2.5.13 or later.
What versions are affected by CVE-2016-8738?
CVE-2016-8738 affects Apache Struts versions 2.5.0 to 2.5.5.
What type of attack does CVE-2016-8738 enable?
CVE-2016-8738 enables denial of service attacks through specially crafted URLs.
Is CVE-2016-8738 exploitable in all configurations of Apache Struts?
CVE-2016-8738 is exploitable in configurations where user input is directly fed into the URL validation process.
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- alias/GHSA-86vq-8qhc-5rqw
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