CVE-2015-3206
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-3206
Vendor advisory: secalert@redhat.com — https://pypi.python.org/pypi/kerberos
Vendor advisory: secalert@redhat.com — https://github.com/apple/ccs-pykerberos/issues/31
Vendor advisory: secalert@redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=1223802
Vendor advisory: secalert@redhat.com — http://www.openwall.com/lists/oss-security/2015/05/21/3
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1.1.5-1 |
| debian | bullseye | fixed | 1.1.5-1 |
| debian | forky | fixed | 1.1.5-1 |
| debian | sid | fixed | 1.1.5-1 |
| debian | trixie | fixed | 1.1.5-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | kerberos | <=1.2.5 | |
| PyPI | pykerberos | <1.1.6 | 1.1.6 |
| PyPI | kerberos | >=0.0 | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| apple | pykerberos | - | |
References
- 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://nvd.nist.gov/vuln/detail/CVE-2015-3206
- https://github.com/apple/ccs-pykerberos/commit/9cb61c93f9b24dd18a0a315f3df5445529c5c333
- https://github.com/apple/ccs-pykerberos
- 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://web.archive.org/web/20150910143429/https://trac.calendarserver.org/ticket/833
- https://web.archive.org/web/20200228090829/http://www.securityfocus.com/bid/74760
- https://security-tracker.debian.org/tracker/CVE-2015-3206
CWEs
CWE-287
Verify integrity in audit chain (admin only). AS-IS.