CVE-2019-14844 — Function Call with Incorrectly Specified Arguments in Kerberos 5

CWE-628 — Function Call with Incorrectly Specified Arguments7 documents7 sources
Severity
7.5HIGHNVD
EPSS
11.7%
top 6.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
MIT Kerberos 5MIT Krb5Fedoraproject Fedora
Timeline
PublishedSep 26
Latest updateMay 24

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:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDmit/kerberos_51.16.1 — 1.17.1
▶CVEListV5mit/krb5Fedora versions of krb5 from 1.16.1 to, including 1.17.x

Also affects: Fedora 29, 30, 31

Patches

Patch: bugzilla.redhat.com ↗Patch: github.com ↗Patch: bugzilla.redhat.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-5445-rx9p-gmmp: A flaw was found in, Fedora versions of krb5 from 1↗2022-05-24
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CVEList
CVE-2019-14844: A flaw was found in, Fedora versions of krb5 from 1↗2019-09-26
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📋Vendor Advisories

3
Red Hat
krb5: reversed strlcpy() allows client to crash the KDC↗2019-09-26
▶
Microsoft
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 co↗2019-09-10
▶
Debian
CVE-2019-14844: krb5 - A flaw was found in, Fedora versions of krb5 from 1.16.1 to, including 1.17.x, i...↗2019
▶

💬Community

1
Bugzilla
CVE-2019-14844 krb5: reversed strlcpy() allows client to crash the KDC↗2019-09-19
▶
CVE-2019-14844 — MIT Kerberos 5 vulnerability | cvebase