PT-2017-6645 · Python · Python-Kerberos

Res@… · Published 2017-08-25 · Updated 2022-05-14 · CVE-2015-3206

Positive Technologies (AI Summary)

CVSS v4.0

9.2

Critical

Base vector

AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions python-kerberos (affected versions not specified)

Description The issue concerns the checkPassword function in python-kerberos, which fails to authenticate the KDC it attempts to communicate with. This allows remote attackers to cause a denial of service or have other unspecified impact by performing a man-in-the-middle attack.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2015-3206

DLA-265-1

DLA-265-2

GHSA-MFFC-9GX5-99G3

PYSEC-2017-49

PYSEC-2017-66

Affected Products

Python-Kerberos

References · 21

• https://github.com/apple/ccs-pykerberos/issues/31 · Patch
• https://osv.dev/vulnerability/CVE-2015-3206 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2015-3206 · Security Note
• https://osv.dev/vulnerability/PYSEC-2017-66 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2015-3206 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2015-3206 · Vendor Advisory
• https://pypi.python.org/pypi/kerberos · Vendor Advisory
• http://openwall.com/lists/oss-security/2015/05/21/3 · Patch
• https://osv.dev/vulnerability/PYSEC-2017-49 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-mffc-9gx5-99g3 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2015-3206 · Security Note
• https://ubuntu.com/security/CVE-2015-3206 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1223802 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2015-3206 · Vendor Advisory
• https://github.com/pypa/advisory-database/tree/main/vulns/kerberos/PYSEC-2017-49.yaml · Note