CVE-2017-6594

high

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.

References

https://github.com/heimdal/heimdal/releases/tag/heimdal-7.3.0

https://github.com/heimdal/heimdal/commit/b1e699103f08d6a0ca46a122193c9da65f6cf837

http://www.h5l.org/advisories.html?show=2017-04-13

http://lists.opensuse.org/opensuse-updates/2017-08/msg00062.html

Details

Source: MITRE

Published: 2017-08-28

Updated: 2021-08-12

Type: CWE-295

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH