Deserialization in Midnight Coders Weborb For Java
CVE-2017-3207
The Java implementations of AMF3 deserializers in WebORB for Java by Midnight Coders, version 5.1.1.0, 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.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.082 (94.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.082 · newest: 0.082 · change: 0.000
Affected products
- Midnight Coders Weborb For Java — versions 5.1.1.0
- Themidnightcoders Weborb For Java — versions 5.1.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- codewhitesec.blogspot.com/2017/04/amf.html (Exploit, Third Party Advisory)
- www.kb.cert.org/vuls/id/307983 (US Government Resource, Third Party Advisory, third-party-advisory)
- www.securityweek.com/flaws-java-amf-libraries-allow-remote-code-execution (Third Party Advisory)
- www.securityfocus.com/bid/97384 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-3207?
- CVE-2017-3207 is a critical-severity vulnerability in Midnight Coders Weborb For Java, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2018-06-11.
- How severe is CVE-2017-3207?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-3207 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.