What’s Vulnerable › Vulnerabilities

CVE-2017-6594

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-08-28 · updated 2026-06-17
• Weakness: CWE-295

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.

Affected products

• Heimdal Software Kerberos: through 7.2.0
• openSUSE Leap: 42.2, 42.3

References

• 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
• 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

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