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CVE-2016-6814

9.8 · CRITICAL

When an application with unsupported Codehaus versions of Groovy from 1.7.0 to 2.4.3, Apache Groovy 2.4.4 to 2.4.7 on classpath uses standard Java serialization mechanisms, e.g.

Published Jan 18, 2018CWE-502EPSS 17.24%

Overview

CVE-2016-6814 is a critical-severity vulnerability. It was published on January 18, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

When an application with unsupported Codehaus versions of Groovy from 1.7.0 to 2.4.3, Apache Groovy 2.4.4 to 2.4.7 on classpath uses standard Java serialization mechanisms, e.g. to communicate between servers or to store local data, it was possible for an attacker to bake a special serialized object that will execute code directly when deserialized. All applications which rely on serialization and do not isolate the code which deserializes objects were subject to this vulnerability.

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

Refmail-archives.apache.org/mod_mbox/www-announce/201701.mbox/%3CCADRx3PMZ2hBCGDTY35zYXFGaDnjAs0tc5-upaVs6QN2sYUejyA%40mail.gmail.com%3ERefrhn.redhat.com/errata/RHSA-2017-0272.htmlRefwww.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.htmlRefwww.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlRefwww.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlRefwww.securityfocus.com/bid/95429Refwww.securitytracker.com/id/1039600Refaccess.redhat.com/errata/RHSA-2017:0868Refaccess.redhat.com/errata/RHSA-2017:2486Refaccess.redhat.com/errata/RHSA-2017:2596

How CyberStrike helps

Frequently asked questions

What is CVE-2016-6814?

CVE-2016-6814 is a critical-severity vulnerability. It was published on January 18, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2016-6814?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-6814?

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-2016-6814?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-6814 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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