CVE-2017-11368 Information

Description

In MIT Kerberos 5 (aka krb5) 1.7 and later an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/100291 https://access.redhat.com/errata/RHSA-2018:0666 https://github.com/krb5/krb5/commit/ffb35baac6981f9e8914f8f3bffd37f284b85970 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4HNWXM6OQU7G23MG7XWIOBRGP43ECLDT/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBUTXMNZWMVJLQ4NDX5OQFPUVCJRLV3W/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5