CVE-2017-3207

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

The Java implementations of AMF3 deserializers in WebORB for Java by Midnight Coders, version 5.1.1.0, derive class instances from java.io.Externalizable rather than the AMF3 specification's recommendation of flash.utils.IExternalizable. A remote attacker with the ability to spoof or control an RMI server connection may be able to send serialized Java objects that execute arbitrary code when deserialized.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
Midnight Coders	WebORB for Java	5.1.1.0

References

http://www.securityfocus.com/bid/97384Third Party Advisory, VDB Entry
http://www.securityweek.com/flaws-java-amf-libraries-allow-remote-code-executionThird Party Advisory
https://codewhitesec.blogspot.com/2017/04/amf.htmlExploit, Third Party Advisory
https://www.kb.cert.org/vuls/id/307983Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/97384Third Party Advisory, VDB Entry
http://www.securityweek.com/flaws-java-amf-libraries-allow-remote-code-executionThird Party Advisory
https://codewhitesec.blogspot.com/2017/04/amf.htmlExploit, Third Party Advisory
https://www.kb.cert.org/vuls/id/307983Third Party Advisory, US Government Resource

Timeline

Published: Jun 11, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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