CVE-2015-3206
First published: Thu May 21 2015(Updated: )
The `checkPassword` function in python-kerberos does not authenticate the KDC it attempts to communicate with, which allows remote attackers to cause a denial of service (bad response), or have other unspecified impact by performing a man-in-the-middle attack.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/pykerberos | >=0<1.1.6 | 1.1.6 |
| pip/kerberos | <=1.2.5 | |
| Apple PyKerberos |
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Reference Links
- http://www.openwall.com/lists/oss-security/2015/05/21/3
- http://www.securityfocus.com/bid/74760
- https://bugzilla.redhat.com/show_bug.cgi?id=1223802
- https://github.com/apple/ccs-pykerberos/issues/31
- https://pypi.python.org/pypi/kerberos
- https://www.calendarserver.org/ticket/833
- https://pypi.python.org/pypi/pykerberos
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1223808
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1223809
- https://github.com/02strich/pykerberos/commit/02d13860b25fab58e739f0e000bed0067b7c6f9c
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1223802#c5
- https://access.redhat.com/security/updates/classification/
- https://nvd.nist.gov/vuln/detail/CVE-2015-3206
- https://github.com/apple/ccs-pykerberos/commit/9cb61c93f9b24dd18a0a315f3df5445529c5c333
- https://web.archive.org/web/20150910143429/https://trac.calendarserver.org/ticket/833
- https://web.archive.org/web/20200228090829/http://www.securityfocus.com/bid/74760
- https://github.com/advisories/GHSA-mffc-9gx5-99g3 (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/kerberos/PYSEC-2017-49.yaml
- https://github.com/pypa/advisory-database/tree/main/vulns/pykerberos/PYSEC-2017-66.yaml
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