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FreeBSD : heimdal -- bypass of capath policy (40a8d798-4615-11e7-8080-a4badb2f4699)

high Nessus Plugin ID 100565

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

Viktor Dukhovni reports :

Commit f469fc6 (2010-10-02) inadvertently caused the previous hop realm to not be added to the transit path of issued tickets. This may, in some cases, enable bypass of capath policy in Heimdal versions 1.5 through 7.2. Note, this may break sites that rely on the bug. With the bug some incomplete [capaths] worked, that should not have. These may now break authentication in some cross-realm configurations.
(CVE-2017-6594)

Solution

Update the affected package.

See Also

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219657

http://www.nessus.org/u?05dc8fe8

Plugin Details

Severity: High

ID: 100565

File Name: freebsd_pkg_40a8d798461511e78080a4badb2f4699.nasl

Version: 3.4

Type: local

Published: 6/1/2017

Updated: 1/4/2021

Supported Sensors: Nessus

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:heimdal, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 5/31/2017

Vulnerability Publication Date: 4/13/2017