Description
main/java/com/ning/http/client/AsyncHttpClientConfig.java in Async Http Client (aka AHC or async-http-client) before 1.9.0 does not require a hostname match during verification of X.509 certificates, which allows man-in-the-middle attackers to spoof HTTPS servers via an arbitrary valid certificate.
Remediation
References
https://github.com/AsyncHttpClient/async-http-client/issues/197
http://openwall.com/lists/oss-security/2014/08/26/1
http://rhn.redhat.com/errata/RHSA-2015-1176.html
http://www.securityfocus.com/bid/69317
http://rhn.redhat.com/errata/RHSA-2015-1551.html
https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2016-06-20
http://rhn.redhat.com/errata/RHSA-2015-0851.html
http://rhn.redhat.com/errata/RHSA-2015-0850.html
https://lists.apache.org/thread.html/ff8dcfe29377088ab655fda9d585dccd5b1f07fabd94ae84fd60a7f8%40%3Ccommits.pulsar.apache.org%3E
https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E
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