Vulnerability in Apache Qpid Proton
CVE-2016-4467
The C client and C-based client bindings in the Apache Qpid Proton library before 0.13.1 on Windows do not properly verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate when using the SChannel-based security layer, which allows man-in-the-middle attackers to spoof servers via an arbitrary valid certificate.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.016 (75.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Apache Qpid Proton — versions 0.8.0, 0.9.0, 0.9.1
Weakness classification (CWE)
References
- www.securityfocus.com/bid/91788 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2016/07/15/3 (mailing-list, Mailing List, Third Party Advisory)
- www.securitytracker.com/id/1036316 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.apache.org/thread.html/914424e4d798a340f523b6169aaf39b626971d9bb00fcdeb1d… (mailing-list)
Frequently asked questions
- What is CVE-2016-4467?
- CVE-2016-4467 is a medium-severity vulnerability in Apache Qpid Proton, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2017-05-02.
- How severe is CVE-2016-4467?
- Medium severity. CVSS v3 base score is 5.9 out of 10.