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CVE-2017-3206

Date: June 11, 2018

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.

Language: Java

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2017-3206
https://www.kb.cert.org/vuls/id/307983
https://codewhitesec.blogspot.com/2017/04/amf.html
http://www.securityweek.com/flaws-java-amf-libraries-allow-remote-code-execution
http://www.securityfocus.com/bid/97380
https://www.mend.io/vulnerability-database/CVE-2017-3206

Severity Score

Weakness Type (CWE)

Improper Restriction of XML External Entity Reference ('XXE')

CWE-611

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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