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CVE-2018-1327

7.5 · HIGH

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.

Published Mar 27, 2018EPSS 8.65%

Overview

CVE-2018-1327 is a high-severity vulnerability. It was published on March 27, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlRefwww.securityfocus.com/bid/103516Refwww.securitytracker.com/id/1040575Refcwiki.apache.org/confluence/display/WW/S2-056Reflists.apache.org/thread.html/r02c2d634fa74209d941c90f9a4cd36a6f12366ca65f9b90446ff2de3%40%3Cissues.struts.apache.org%3EReflists.apache.org/thread.html/rf482c101a88445d73cc2e89dbf7f16ae00a4aa79a544a1e72b2326db%40%3Cissues.struts.apache.org%3ERefsecurity.netapp.com/advisory/ntap-20180330-0001/Refwww.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlRefwww.securityfocus.com/bid/103516Refwww.securitytracker.com/id/1040575

How CyberStrike helps

Frequently asked questions

What is CVE-2018-1327?

CVE-2018-1327 is a high-severity vulnerability. It was published on March 27, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2018-1327?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-1327?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-1327?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-1327 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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