CVE-2015-3206
high
CVSS v3
8.1
CVSS v4 NEW
—
VIR risk
8.1
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
Exploit likelihood
88%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.1.5-1 |
| sid | Fixed | 1.1.5-1 |
| forky | Fixed | 1.1.5-1 |
| bullseye | Fixed | 1.1.5-1 |
| bookworm | 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
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.