high7.5
CVE-2021-36222
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 attack…
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Mit | Kerberos 5 | before 1.18.4 from 1.19.0 before 1.19.2 |
| Debian | Debian Linux | Version 10.0 |
| Netapp | Active Iq Unified Manager | All versions |
| Netapp | Oncommand Insight | All versions |
| Netapp | Oncommand Workflow Automation | All versions |
| Netapp | Snapcenter | All versions |
| Oracle | Mysql Server | from 8.0.0 through 8.0.26 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/krb5/krb5/commit/fc98f520caefff2e5ee9a0026fdf5109944b3562
- https://github.com/krb5/krb5/releases
- https://security.netapp.com/advisory/ntap-20211022-0003/
- https://security.netapp.com/advisory/ntap-20211104-0007/
- https://web.mit.edu/kerberos/advisories/
- https://www.debian.org/security/2021/dsa-4944
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html