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CVE-2017-3200

8.1 · HIGH

The Java implementation of AMF3 deserializers used in GraniteDS, version 3.1.1.G, may allow instantiation of arbitrary classes via their public parameter-less constructor and subsequently call arbi…

Published Jun 11, 2018CWE-913EPSS 6.12%

Overview

CVE-2017-3200 is a high-severity vulnerability. It was published on June 11, 2018 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The Java implementation of AMF3 deserializers used in GraniteDS, version 3.1.1.G, may allow instantiation of arbitrary classes via their public parameter-less constructor and subsequently call arbitrary Java Beans setter methods. The ability to exploit this vulnerability depends on the availability of classes in the class path that make use of deserialization. A remote attacker with the ability to spoof or control information may be able to send serialized Java objects with pre-set properties that result in arbitrary code execution when deserialized.

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.securityfocus.com/bid/97382Refwww.securityweek.com/flaws-java-amf-libraries-allow-remote-code-executionRefcodewhitesec.blogspot.com/2017/04/amf.htmlRefwww.kb.cert.org/vuls/id/307983Refwww.securityfocus.com/bid/97382Refwww.securityweek.com/flaws-java-amf-libraries-allow-remote-code-executionRefcodewhitesec.blogspot.com/2017/04/amf.htmlRefwww.kb.cert.org/vuls/id/307983

How CyberStrike helps

Frequently asked questions

What is CVE-2017-3200?

CVE-2017-3200 is a high-severity vulnerability. It was published on June 11, 2018 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2017-3200?

This vulnerability has a CVSS 3.1 base score of 8.1, 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-2017-3200?

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-2017-3200?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-3200 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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