CVE-2017-3206 Information

Description

The Java implementation of AMF3 deserializers used by Flamingo amf-serializer by Exadel version 2.2.0 allows external entity references (XXEs) from XML documents embedded within AMF3 messages. If the XML parsing is handled incorrectly it could potentially expose sensitive data on the server denial of service or server side request forgery.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/97380 http://www.securityweek.com/flaws-java-amf-libraries-allow-remote-code-execution https://codewhitesec.blogspot.com/2017/04/amf.html https://www.kb.cert.org/vuls/id/307983

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8