CVE-2018-1327: The Apache Struts REST Plugin is using XStream library which is vulnerable and allow perform a DoS attack when using a malicious request with speciall...

Description

The Apache Struts REST Plugin is using XStream library which is vulnerable and allow perform a DoS attack when using a malicious request with specially crafted XML payload. Upgrade to the Apache Struts version 2.5.16 and switch to an optional Jackson XML handler as described here http://struts.apache.org/plugins/rest/#custom-contenttypehandlers. Another option is to implement a custom XML handler based on the Jackson XML handler from the Apache Struts 2.5.16.

Metrics

EPSS Probability

9.22%

94.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apache	Struts	>= 2.1.1, <= 2.5.14.1

References

http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlPatch, Third Party Advisory
http://www.securityfocus.com/bid/103516Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040575Third Party Advisory, VDB Entry
https://cwiki.apache.org/confluence/display/WW/S2-056Issue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/r02c2d634fa74209d941c90f9a4cd36a6f12366ca65f9b90446ff2de3%40%3Cissues.struts.apache.org%3E
https://lists.apache.org/thread.html/rf482c101a88445d73cc2e89dbf7f16ae00a4aa79a544a1e72b2326db%40%3Cissues.struts.apache.org%3E
https://security.netapp.com/advisory/ntap-20180330-0001/Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlPatch, Third Party Advisory
http://www.securityfocus.com/bid/103516Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040575Third Party Advisory, VDB Entry
https://cwiki.apache.org/confluence/display/WW/S2-056Issue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/r02c2d634fa74209d941c90f9a4cd36a6f12366ca65f9b90446ff2de3%40%3Cissues.struts.apache.org%3E
https://lists.apache.org/thread.html/rf482c101a88445d73cc2e89dbf7f16ae00a4aa79a544a1e72b2326db%40%3Cissues.struts.apache.org%3E
https://security.netapp.com/advisory/ntap-20180330-0001/Third Party Advisory

Timeline

Published: Mar 27, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1327?

The Apache Struts REST Plugin is using XStream library which is vulnerable and allow perform a DoS attack when using a malicious request with specially crafted XML payload. Upgrade to the Apache Struts version 2.5.16 and switch to an optional Jackson XML handler as described here http://struts.apache.org/plugins/rest/#custom-contenttypehandlers. Another option is to implement a custom XML handler based on the Jackson XML handler from the Apache Struts 2.5.16.

How severe is CVE-2018-1327?

Severity scoring for CVE-2018-1327 is pending analysis. The EPSS model estimates a 9.22% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1327?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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