Detections
Analytics

CVE-2023-39975

critical

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.

References

https://web.mit.edu/kerberos/www/advisories/

https://security.netapp.com/advisory/ntap-20240201-0008/

https://security.netapp.com/advisory/ntap-20240201-0005/

https://security.netapp.com/advisory/ntap-20230915-0014/

https://github.com/krb5/krb5/compare/krb5-1.21.1-final...krb5-1.21.2-final

https://github.com/krb5/krb5/commit/88a1701b423c13991a8064feeb26952d3641d840

Details

Source: Mitre, NVD

Published: 2023-08-16

Updated: 2024-02-01

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: Critical