CVE-2017-3206

The Action Message Format (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

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.

Affected

Exadel · Flamingo amf-serializer

CVSS v3.0 NVD

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

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

3.62% chance of exploitation in the next 30 days, 89th percentile

Published

2018-06-11

Updated

2024-08-05

Proof-of-concept exploits (1)

• https://codewhitesec.blogspot.com/2017/04/amf.html

Security advisories

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

References

• CVE Record
• NVD entry