CVE-2019-14844
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Mit Kerberos
PublishedSep 26, 2019
First seenSep 26, 2019
Weakness typeCWE-628CWE-628
How to fix
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mit kerberos_5 | 1.16.1 ≤ v ≤ 1.17.1 | — |
| fedoraproject fedora | 29, 30, 31 | — |
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