CVE-2017-6594 Information

Description

The transit path validation code in Heimdal before 7.3 might allow attackers to bypass the capath policy protection mechanism by leveraging failure to add the previous hop realm to the transit path of issued tickets.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

http://lists.opensuse.org/opensuse-updates/2017-08/msg00062.html http://www.h5l.org/advisories.html?show=2017-04-13 https://github.com/heimdal/heimdal/commit/b1e699103f08d6a0ca46a122193c9da65f6cf837 https://github.com/heimdal/heimdal/releases/tag/heimdal-7.3.0

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5