8.8

CVE-2023-39975

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mit ≫ Kerberos 5 Version >= 1.21 < 1.21.2
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.23% 0.65
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-415 Double Free

The product calls free() twice on the same memory address.

https://security.netapp.com/advisory/ntap-20240201-0005/
https://web.mit.edu/kerberos/www/advisories/
Vendor Advisory
https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840
Patch
https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-final
Patch
https://security.netapp.com/advisory/ntap-20230915-0014/
https://security.netapp.com/advisory/ntap-20240201-0008/