CVE-2021-37750

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.

Published: Aug 23, 2021
Updated: Apr 14, 2023
CVE: CVE-2021-37750
Severity: Medium
Exploit:

CVSS v3:

Severity: Medium
Score: 6.5
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

Severity: Low
Score: 4
AV:N/AC:L/Au:S/C:N/I:N/A:P

CWEs:

CWE-476

Affected Software
References

Software	From	Fixed in
mit / kerberos_5	1.19.0	1.19.3
mit / kerberos_5	-	1.18.5
fedoraproject / fedora	33	33.x
debian / debian_linux	9.0	9.0.x
starwindsoftware / starwind_virtual_san	8r13-14338	8r13-14338.x
oracle / communications_cloud_native_core_network_slice_selection_function	22.1.0	22.1.0.x

https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49
https://github.com/krb5/krb5/releases
https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html
https://lists.fedoraproject.org/archives/list/[email protected]/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/
https://security.netapp.com/advisory/ntap-20210923-0002/
https://web.mit.edu/kerberos/advisories/
https://www.oracle.com/security-alerts/cpujul2022.html
https://www.starwindsoftware.com/security/sw-20220817-0004/

Vulnerability Database

289,689

CVE-2021-37750