Vulnerability CVE-2019-14867
Published: 2019-11-27   Modified: 2019-11-29

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.

Type:

CWE-400

 (Uncontrolled Resource Consumption ('Resource Exhaustion'))

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Freeipa -> Freeipa 
Fedoraproject -> Fedora 

 References:
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
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