CVE-2019-14844
Fedora Kerberos KDC Denial of Service
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.
INFO
Published Date :
Sept. 26, 2019, 12:15 p.m.
Last Modified :
Feb. 12, 2023, 11:35 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-14844.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-14844 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-14844 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC/ [Mailing List, Vendor Advisory] Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW/ [Mailing List, Vendor Advisory] Removed Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK/ [Mailing List, Vendor Advisory] Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC/ [No Types Assigned] -
Modified Analysis by [email protected]
May. 24, 2022
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC/ Vendor Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC/ Mailing List, Vendor Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW/ Vendor Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW/ Mailing List, Vendor Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK/ Vendor Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK/ Mailing List, Vendor Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20220325-0003/ No Types Assigned https://security.netapp.com/advisory/ntap-20220325-0003/ Third Party Advisory -
CVE Modified by [email protected]
Mar. 25, 2022
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20220325-0003/ [No Types Assigned] -
Modified Analysis by [email protected]
Oct. 16, 2020
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC/ Vendor Advisory Removed CWE NIST CWE-20 Added CWE NIST NVD-CWE-Other Removed CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Changed CPE Configuration OR *cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* versions from (including) 5-1.16.1 up to (including) 5-1.17 OR *cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* versions from (including) 1.16.1 up to (including) 1.17.1 Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Jan. 21, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:mit:kerberos:*:*:*:*:*:*:*:* versions from (including) 5-1.16.1 from (including) 5-1.17 OR *cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* versions from (including) 5-1.16.1 from (including) 5-1.17 -
CVE Modified by [email protected]
Oct. 10, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC/ [No Types Assigned] -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE Red Hat, Inc. CWE-628 -
Initial Analysis by [email protected]
Oct. 01, 2019
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14844 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14844 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/krb5/krb5/pull/981 No Types Assigned https://github.com/krb5/krb5/pull/981 Patch, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW/ Vendor Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK/ Vendor Advisory Added CWE CWE-20 Added CPE Configuration OR *cpe:2.3:a:mit:kerberos:*:*:*:*:*:*:*:* versions from (including) 5-1.16.1 up to (including) 5-1.17 Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 30, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW/ [No Types Assigned] -
CVE Modified by [email protected]
Sep. 28, 2019
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK/ [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-14844 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-14844
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.81 }} 0.31%
score
0.82041
percentile