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
EPSS: 0.016 (73.7th percentile) — read the EPSS interpretation.
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.
Affected products
- Apache Qpid_proton — versions 0.8.0, 0.9.0, 0.9.1
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
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.