VDB

DEBIAN-CVE-2018-20217

DEBIAN-CVE-2018-20217 PUBLISHED CVSS 5.300000190734863 MEDIUM

A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.

Risk Scores

CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Debian:12krb50, 0, 0
Debian:13krb50, 0, 0
Debian:14krb50, 0, 0
Debian:11krb50, 0, 0

Timeline

  • Dec 26, 2018 CVE Published
  • Apr 28, 2026 CVE Updated
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