Home/CVE/Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when tri
CVE

CVE-2003-0139

Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when tri

Certain weaknesses in the implementation of version 4 of the Kerberos protocol (krb4) in the krb5 distribution, when triple-DES keys are used to key krb4 services, allow an attacker to create krb4 tickets for unauthorized principals using a cut-and-paste attack and "ticket splicing.".

HIGH · CVSS 7.5 EPSS 0.04948
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
▤

Affected Products & Versions

1
mit kerberosall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious DNS Query Indicating Kerberos Coercion via DNS Object SPN Spoofing - Network
producthighSuspicious Kerberos Ticket Request via PowerShell Script - ScriptBlock
producthighSuspicious DNS Query Indicating Kerberos Coercion via DNS Object SPN Spoofing
producthighAttempts of Kerberos Coercion Via DNS SPN Spoofing
producthighSuspicious Kerberos Ticket Request via CLI
producthighPotential Kerberos Coercion by Spoofing SPNs via DNS Manipulation
▣

Scoring & Timeline

7.5
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published to NVD24 Mar 2003 · 05:00 AM
⚑

Vendor Advisories

4
rhsaRHSA-2003:052Important
rhsaRHSA-2003:051Critical
rhsaRHSA-2003:168Critical
rhsaRHSA-2003:091Critical
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://marc.info/?l=bugtraq&m=104791775804776&w=2
http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txtPatchVendor Advisory
http://www.debian.org/security/2003/dsa-266
http://www.debian.org/security/2003/dsa-273
http://www.kb.cert.org/vuls/id/442569PatchThird Party AdvisoryUS Government Resource
http://www.redhat.com/support/errata/RHSA-2003-051.html
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