Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mit | Kerberos 5 | >= 1.21, < 1.21.2 |
Related Weaknesses (CWE)
References
- https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840Patch
- https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-finalPatch
- https://security.netapp.com/advisory/ntap-20230915-0014/
- https://security.netapp.com/advisory/ntap-20240201-0005/
- https://security.netapp.com/advisory/ntap-20240201-0008/
- https://web.mit.edu/kerberos/www/advisories/Vendor Advisory
- https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840Patch
- https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-finalPatch
- https://security.netapp.com/advisory/ntap-20230915-0014/
- https://security.netapp.com/advisory/ntap-20240201-0005/
- https://security.netapp.com/advisory/ntap-20240201-0008/
- https://web.mit.edu/kerberos/www/advisories/Vendor Advisory
FAQ
What is CVE-2023-39975?
CVE-2023-39975 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 copi...
How severe is CVE-2023-39975?
CVE-2023-39975 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-39975?
Check the references section above for vendor advisories and patch information. Affected products include: Mit Kerberos 5.