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Apache HttpClient certificate checking bypass
Published:18.08.2014
Source:
SecurityVulns ID:13923
Type:library
Threat Level:
6/10
Description:Validation bypass via malcrafted constructions like O="foo,CN=www.apache.org”
Affected:APACHE : Apache HttpComponents 4.3
CVE:CVE-2014-3577 (org.apache.http.conn.ssl.AbstractVerifier in Apache HttpComponents HttpClient before 4.3.5 and HttpAsyncClient before 4.0.2 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 "CN=" string in a field in the distinguished name (DN) of a certificate, as demonstrated by the "foo,CN=www.apache.org" string in the O field.)
Original documentdocumentDirk-Willem van Gulik, CVE-2014-3577: Apache HttpComponents client: Hostname verification susceptible to MITM attack (18.08.2014)

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