| Package | Affected versions | Patched versions |
|---|---|---|
| org.apache.httpcomponents:httpclient | < 4.2.3 | 4.2.3 |
| commons-httpclient | ≥ 4.0, ≤ 4.2.2 |
http/conn/ssl/AbstractVerifier.java in Apache Commons HttpClient before 4.2.3 does 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, which allows man-in-the-middle attackers to spoof SSL servers via a certificate with a subject that specifies a common name in a field that is not the CN field. NOTE: this issue exists because of an incomplete fix for CVE-2012-5783.
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