Vulnerability CVE-2019-14844
Published: 2019-09-26

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.

Type:

CWE-20

 (Improper Input Validation)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Redhat -> Enterprise linux 
MIT -> Kerberos 
Fedoraproject -> Fedora 

 References:
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/
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