CVE-2017-6594 Security feature bypass in n/a

High 7.5 Published 28 Aug 2017 Updated 5 Aug 2024

Attackers can bypass Kerberos transit path validation policies by exploiting a flaw in ticket issuance logic, potentially circumventing realm restrictions.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2017-6594?

CVE-2017-6594 is a high-severity vulnerability in Opensuse Leap, published on 28 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-295

Which versions are affected by CVE-2017-6594?

It affects 2 products.

Products include Heimdal Project Heimdal, Opensuse Leap.

How do I fix CVE-2017-6594?

Upgrade to a fixed version.

Is CVE-2017-6594 being exploited?

There is no known exploitation of CVE-2017-6594 in the wild and no public exploit code.

All Opensuse Leap vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-6594, GHSA-jg5g-qq45-3g4q, MGASA-2017-0308, UBUNTU-CVE-2017-6594.