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CVE-2021-37750

Public on 2021-08-23
Modified on 2022-01-18
Description

A flaw was found in krb5. The Key Distribution Center (KDC) in MIT Kerberos 5 has a NULL pointer dereference via a FAST inner body that lacks a server field. An authenticated attacker could use this flaw to crash the Kerberos KDC server. The highest threat from this vulnerability is to system availability.

Severity
Medium
See what this means
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core krb5 2022-01-18 21:37 ALAS2-2022-1738

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P
NVD CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H