CVE-2015-2694

CVE Details

Release Date:	2015-04-27
Impact:	Moderate	What is this?

Description

The kdcpreauth modules in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.xbefore 1.13.2 do not properly track whether a client's request has been validated, which allows remote attackers to bypass an intended preauthentication requirement by providing (1) zero bytes of data or (2) an arbitrary realm name, related to plugins/preauth/otp/main.c and plugins/preauth/pkinit/pkinit_srv.c.

See more information about CVE-2015-2694 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	5.8
Vector String:	AV:N/AC:M/Au:N/C:P/I:P/A:N
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (krb5)	ELSA-2015-2154	2015-11-23