cve/2021/CVE-2021-36222.md

CVE-2021-36222

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.

POC

Reference

• https://www.oracle.com/security-alerts/cpuoct2021.html

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/brandoncamenisch/release-the-code-litecoin
• https://github.com/dgardella/KCC
• https://github.com/dispera/giant-squid