critical8.1
CVE-2015-3206
python-kerberos vulnerable to KDC spoofing attacks
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | kerberos | <= 1.2.5 | none recorded |
| pip | pykerberos | >= 0, < 1.1.6 | 1.1.6 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Pykerberos | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- 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://github.com/advisories/GHSA-mffc-9gx5-99g3
- 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/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