UBUNTU-CVE-2015-3206

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Source
https://ubuntu.com/security/CVE-2015-3206
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-3206.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2015-3206
Upstream
Withdrawn
2025-07-18T16:43:12Z
Published
2017-08-25T18:29:00Z
Modified
2025-07-16T07:32:53.434688Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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

Affected packages

Ubuntu:16.04:LTS / pykerberos

Package

Name
pykerberos
Purl
pkg:deb/ubuntu/pykerberos@1.1.5-2build1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.5-2build1

Affected versions

1.*

1.1.5-0.1build1
1.1.5-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python-kerberos",
            "binary_version": "1.1.5-2build1"
        },
        {
            "binary_name": "python3-kerberos",
            "binary_version": "1.1.5-2build1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / pykerberos

Package

Name
pykerberos
Purl
pkg:deb/ubuntu/pykerberos@1.1.5-2build3?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.1.5-2build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "python-kerberos",
            "binary_version": "1.1.5-2build3"
        },
        {
            "binary_name": "python-kerberos-dbgsym",
            "binary_version": "1.1.5-2build3"
        },
        {
            "binary_name": "python3-kerberos",
            "binary_version": "1.1.5-2build3"
        },
        {
            "binary_name": "python3-kerberos-dbgsym",
            "binary_version": "1.1.5-2build3"
        }
    ],
    "availability": "No subscription required"
}