apple/ccs-pykerberos · Security
python-kerberos vulnerable to KDC spoofing attacks
- GHSA ID
- GHSA-mffc-9gx5-99g3
- CVE ID
- CVE-2015-3206
- Severity
- critical
- Published
- Updated
- CVSS
- 8.1 · CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 8.1 · CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v4
- 9.2 · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Description
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.
CWEs
- CWE-287 · Improper Authentication
References
- https://nvd.nist.gov/vuln/detail/CVE-2015-3206 ↗
- https://github.com/apple/ccs-pykerberos/issues/31 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1223802 ↗
- http://www.openwall.com/lists/oss-security/2015/05/21/3 ↗
- 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/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 ↗
- https://pypi.python.org/pypi/kerberos ↗
- https://github.com/advisories/GHSA-mffc-9gx5-99g3 ↗