CVE-2025-24034

Description

Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. Starting in version 0.7.0 and prior to versions 0.7.15 and 0.8.3, Himmelblau is vulnerable to leaking credentials in debug logs. When debug logging is enabled, user access tokens are inadvertently logged, potentially exposing sensitive authentication data. Similarly, Kerberos Ticket-Granting Tickets (TGTs) are logged when debug logging is enabled. Both issues pose a risk of exposing sensitive credentials, particularly in environments where debug logging is enabled. Himmelblau versions 0.7.15 and 0.8.3 contain a patch that fixes both issues. Some workarounds are available for users who are unable to upgrade. For the **logon compliance script issue**, disable the `logon_script` option in `/etc/himmelblau/himmelblau.conf`, and avoid using the `-d` flag when starting the `himmelblaud` daemon. For the Kerberos CCache issue, one may disable debug logging globally by setting the `debug` option in `/etc/himmelblau/himmelblau.conf` to `false` and avoiding the `-d` parameter when starting `himmelblaud`.

CVSS v3.1 Score

3.2

LOW

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

Weakness Type (CWE)

CWE-532 CWE-532

References

Other References

https://github.com/himmelblau-idm/himmelblau/commit/1216804f15ce5dc74bb5da48b5508c41d2ece8fa https://github.com/himmelblau-idm/himmelblau/releases/tag/0.7.15 https://github.com/himmelblau-idm/himmelblau/releases/tag/0.8.3 https://github.com/himmelblau-idm/himmelblau/security/advisories/GHSA-p989-2f5w-9cf6 https://manpages.opensuse.org/Tumbleweed/himmelblau/himmelblau.conf.5.en.html https://manpages.opensuse.org/Tumbleweed/himmelblau/himmelblaud.8.en.html

Frequently Asked Questions

What is CVE-2025-24034? +

Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. Starting in version 0.7.0 and prior to versions 0.7.15 and 0.8.3, Himmelblau is vulnerable to leaking credentials in debug logs. When debug logging is enabled, user access tokens are inadvertently logged, potentially exposing sensitive authentication data. Similarly, Kerberos Ticket-Granting Tickets (TGTs) are logged when debug logging is enabled. Both issues pose a risk of exposing sensitive credentials, particularly in environments where debug logging is enabled. Himmelblau versions 0.7.15 and 0.8.3 contain a patch that fixes both issues. Some workarounds are available for users who are unable to upgrade. For the **logon compliance script issue**, disable the `logon_script` option in `/etc/himmelblau/himmelblau.conf`, and avoid using the `-d` flag when starting the `himmelblaud` daemon. For the Kerberos CCache issue, one may disable debug logging globally by setting the `debug` option in `/etc/himmelblau/himmelblau.conf` to `false` and avoiding the `-d` parameter when starting `himmelblaud`. It has a CVSS v3.1 base score of 3.2 (LOW).

How severe is CVE-2025-24034? +

CVE-2025-24034 has a CVSS v3.1 score of 3.2 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

How do I check if I'm vulnerable to CVE-2025-24034? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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