Vulnerability CVE-2017-11368


Published: 2017-08-09   Modified: 2017-08-10

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.

Type:

CWE-617

(Reachable Assertion)

CVSS2 => (AV:N/AC:L/Au:S/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
MIT -> Kerberos 
Fedoraproject -> Fedora 

 References:
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/

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