CVEvulnerability
CVE-2021-37750
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-08-23
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:P
- Weaknesses
- CWE-476
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.
Affected configurations
• mit kerberos 5 (< 1.18.5)
• mit kerberos 5 (>= 1.19.0 < 1.19.3)
• fedoraproject fedora 33
• debian debian linux 9.0
• starwindsoftware starwind virtual san v8r13
• oracle communications cloud native core network slice selection function 22.1.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49 Patch, Third Party Advisory
- https://github.com/krb5/krb5/releases Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/ lists.fedoraproject.org
- https://security.netapp.com/advisory/ntap-20210923-0002/ Third Party Advisory
- https://web.mit.edu/kerberos/advisories/ Vendor Advisory
- https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory
- https://www.starwindsoftware.com/security/sw-20220817-0004/ Third Party Advisory
- https://github.com/krb5/krb5/commit/d775c95af7606a51bf79547a94fa52ddd1cb7f49 Patch, Third Party Advisory
- https://github.com/krb5/krb5/releases Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFCLW7D46E4VCREKKH453T5DA4XOLHU2/ lists.fedoraproject.org
- https://security.netapp.com/advisory/ntap-20210923-0002/ Third Party Advisory
- https://web.mit.edu/kerberos/advisories/ Vendor Advisory
- https://www.oracle.com/security-alerts/cpujul2022.html Patch, Third Party Advisory
- https://www.starwindsoftware.com/security/sw-20220817-0004/ Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com