lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) before 1.20.2 and 1.21.x before 1.21.1 frees an uninitialized pointer. A remote authenticated user can trigger a kadmind crash. This occurs because _xdr_kadm5_principal_ent_rec does not validate the relationship between n_key_data and the key_data array count.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | krb5 | 2023-08-30 17:56 | ALAS-2023-1818 |
Amazon Linux 2 - Core | krb5 | 2023-08-31 22:28 | ALAS2-2023-2225 |
Amazon Linux 2023 | krb5 | 2023-08-31 21:43 | ALAS2023-2023-321 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
NVD | CVSSv3 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |