[requests-kerberos] Improper Authentication in requests-kerberos

python-requests-Kerberos through 0.5 does not handle mutual authentication

References

• https://nvd.nist.gov/vuln/detail/CVE-2014-8650
• https://github.com/requests/requests-kerberos/issues/35
• https://github.com/requests/requests-kerberos/pull/36
• https://github.com/mkomitee/requests-kerberos/commit/9c1e08cc17bb6950455a85d33d391ecd2bce6eb6
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2014-8650
• https://github.com/requests/requests-kerberos/blob/0.6/HISTORY.rst
• https://security-tracker.debian.org/tracker/CVE-2014-8650
• http://www.openwall.com/lists/oss-security/2014/11/07/1
• http://www.securityfocus.com/bid/70909
• https://github.com/advisories/GHSA-wh37-37xw-54hr