CVEvulnerability
CVE-2021-36222
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-07-22
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-476
Description
ec_verify in kdc/kdc_preauth_ec.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.4 and 1.19.x before 1.19.2 allows remote attackers to cause a NULL pointer dereference and daemon crash. This occurs because a return value is not properly managed in a certain situation.
Affected configurations
• mit kerberos 5 (< 1.18.4)
• mit kerberos 5 (>= 1.19.0 < 1.19.2)
• debian debian linux 10.0
• netapp active iq unified manager
• netapp oncommand insight
• netapp oncommand workflow automation
• netapp snapcenter
• oracle mysql server (>= 8.0.0 <= 8.0.26)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562 Patch, Third Party Advisory
- https://github.com/krb5/krb5/releases Release Notes, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211022-0003/ Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211104-0007/ Third Party Advisory
- https://web.mit.edu/kerberos/advisories/ Not Applicable
- https://www.debian.org/security/2021/dsa-4944 Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.html Patch, Third Party Advisory
- https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562 Patch, Third Party Advisory
- https://github.com/krb5/krb5/releases Release Notes, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211022-0003/ Third Party Advisory
- https://security.netapp.com/advisory/ntap-20211104-0007/ Third Party Advisory
- https://web.mit.edu/kerberos/advisories/ Not Applicable
- https://www.debian.org/security/2021/dsa-4944 Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.html Patch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com