Vulnerability Monitor

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CVE-2017-6594

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.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts integrity (unauthorized modifications), for affected systems. Impacting 2 products from heimdal_project, from opensuse organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2017, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2017-08-28T19:29:01.400

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-295

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	heimdal_project	heimdal	≤ 7.2.0	Yes
Operating System	opensuse	leap	42.2	Yes
Operating System	opensuse	leap	42.3	Yes

References

http://lists.opensuse.org/opensuse-updates/2017-08/msg00062.html Third Party Advisory ([email protected])
http://www.h5l.org/advisories.html?show=2017-04-13 Vendor Advisory ([email protected])
https://github.com/heimdal/heimdal/commit/b1e699103f08d6a0ca46a122193c9da65f6cf837 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/heimdal/heimdal/releases/tag/heimdal-7.3.0 Issue Tracking, Patch, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2017-08/msg00062.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.h5l.org/advisories.html?show=2017-04-13 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/heimdal/heimdal/commit/b1e699103f08d6a0ca46a122193c9da65f6cf837 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/heimdal/heimdal/releases/tag/heimdal-7.3.0 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For heimdal_project's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.