CVE-2019-14844 Information

Description

A flaw was found in Fedora versions of krb5 from 1.16.1 to including 1.17.x in the way a Kerberos client could crash the KDC by sending one of the RFC 4556 \enctypes. A remote unauthenticated user could use this flaw to crash the KDC.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14844 https://github.com/krb5/krb5/pull/981 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5