A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | krb5 | 2020-05-22 20:58 | ALAS-2020-1374 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 5.3 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
NVD | CVSSv3 | 5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
NVD | CVSSv2 | 3.5 | AV:N/AC:M/Au:S/C:N/I:N/A:P |