Vulnerability CVE-2017-3199


Published: 2018-06-11

Description:
The Java implementation of GraniteDS, version 3.1.1.GA, AMF3 deserializers derives 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.

Type:

CWE-502

(Deserialization of Untrusted Data)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Graniteds -> AMF3 

 References:
http://www.securityfocus.com/bid/97382
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

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