VULNERABILITY INTELLIGENCE
CVE-2017-3203
CVSS score8.1 HIGH
EPSS probability6.31%
CISA KEVNot currently listed
Published2018-06-11
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
The Java implementations of AMF3 deserializers in Pivotal/Spring Spring-flex 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.
Weakness classification
- CWE-502: Deserialization of Untrusted Data
Primary references
- cret@cert.org — Third Party Advisory
- cret@cert.org — Exploit, Mitigation, Third Party Advisory
- cret@cert.org — Third Party Advisory, US Government Resource
- cret@cert.org — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mitigation, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry