CVE-2015-3206

critical

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.

References

Advisories
More

https://github.com/apple/ccs-pykerberos/issues/31

https://bugzilla.redhat.com/show_bug.cgi?id=1223802

http://www.securityfocus.com/bid/74760

http://www.openwall.com/lists/oss-security/2015/05/21/3

https://pypi.python.org/pypi/kerberos

Details

Source: Mitre, NVD

Published: 2017-08-25

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 9.2

Vector: 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

Severity: Critical

EPSS

EPSS: 0.00963