PT-2019-4684 · Red Hat+2 · Red Hat+2

Robbie Harwood · Published 2019-09-26 · Updated 2023-02-12 · CVE-2019-14844

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Fedora versions 1.16.1 through 1.17.x Red Hat Enterprise Linux (affected versions not specified)

Description The issue exists due to insufficient input validation in the implementation of the Kerberos protocol. It may allow a remote attacker to cause a denial of service. A remote unauthenticated user could exploit this by sending specific RFC 4556 "enctypes" to crash the KDC.

Recommendations For Fedora versions 1.16.1 through 1.17.x, update to a version that includes the fix for this issue. For Red Hat Enterprise Linux, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

CWE-628

Related Identifiers

ALT-PU-2020-2345

ALT-PU-2020-3405

ALT-PU-2021-2079

BDU:2020-01056

CVE-2019-14844

Affected Products

Alt Linux

Fedora

Red Hat

References · 14

• https://github.com/krb5/krb5/pull/981 · Patch
• https://bdu.fstec.ru/vul/2020-01056 · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-14844 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N4LS5PIJOCNOUZGLO2OBT6GY334PUOSW · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14844 · Patch
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/54ZYKEJZ77BXZWGF4NEVKC33ESVROEYC · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-14844 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDE2QOKK4I4TV4WV74ZQWICZ4HJN2MOK · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1753589 · Note
• https://security.netapp.com/advisory/ntap-20220325-0003 · Note
• https://access.redhat.com/security/cve/cve-2019-14844 · Note