Vulnerabilities > CVE-2023-39975 - Double Free vulnerability in MIT Kerberos 5 1.21/1.21.1
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 3 |
Common Weakness Enumeration (CWE)
References
- https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840
- https://web.mit.edu/kerberos/www/advisories/
- https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-final
- https://security.netapp.com/advisory/ntap-20230915-0014/
- https://security.netapp.com/advisory/ntap-20240201-0008/
- https://security.netapp.com/advisory/ntap-20240201-0005/