CVE-2019-14867 Information

Description

A flaw was found in IPA all 4.6.x versions before 4.6.7 all 4.7.x versions before 4.7.4 and all 4.8.x versions before 4.8.3 in the way the internal function ber_scanf() was used in some components of the IPA server which parsed kerberos key data. An unauthenticated attacker who could trigger parsing of the krb principal key could cause the IPA server to crash or in some conditions cause arbitrary code to be executed on the server hosting the IPA server.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://access.redhat.com/errata/RHBA-2019:4268 https://access.redhat.com/errata/RHSA-2020:0378 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14867 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/67SEUWJAJ5RMH5K4Q6TS2I7HIMXUGNKF/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WLFL5XDCJ3WT6JCLCQVKHZBLHGW7PW4T/ https://www.freeipa.org/page/Releases/4.6.7 https://www.freeipa.org/page/Releases/4.7.4 https://www.freeipa.org/page/Releases/4.8.3

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8