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Status published
Medium
CVE-2021-37750
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka...
Vulnerability Description
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://web.mit.edu/kerberos/advisories/
- https://github.com/krb5/krb5/releases
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/
- https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49
- https://security.netapp.com/advisory/ntap-20210923-0002/
- https://www.starwindsoftware.com/security/sw-20220817-0004/
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Affected Vendor
Affected Software
kerberos 5, fedora, debian linux, starwind virtual san, communications cloud native core network slice selection function
Vulnerable Versions:
0, 1.19.0, 33, 9.0, v8r13, 22.1.0
Timeline
Official Publish:
August 23rd, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.