CVE-2024-56324: gocd XXE — Fix

Description

GoCD is a continuous deliver server. GoCD versions prior to 24.4.0 can allow GoCD "group admins" to abuse ability to edit the raw XML configuration for groups they administer to trigger XML External Entity (XXE) injection on the GoCD server. Theoretically, the XXE vulnerability can result in additional attacks such as SSRF, information disclosure from the GoCD server, and directory traversal, although these additional attacks have not been explicitly demonstrated as exploitable. This issue is fixed in GoCD 24.5.0. Some workarounds are available. One may temporarily block access to `/go/*/pipelines/snippet` routes from an external reverse proxy or WAF if one's "group admin" users do not need the functionality to edit the XML of pipelines directly (rather than using the UI, or using a configuration repository). One may also prevent external access from one's GoCD server to arbitrary locations using some kind of environment egress control.

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CVSS v3.1 Score

7.1

HIGH

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

Weakness Type (CWE)

CWE-611 CWE-611

Affected Products

Vendor	Product	Versions
thoughtworks	gocd	< 24.5.0

References

Advisories & Patches

https://github.com/gocd/gocd/commit/410331a97eb2935e04c1372f50658e05c533f733 https://github.com/gocd/gocd/security/advisories/GHSA-3w9f-fgr5-5g78

Other References

https://github.com/gocd/gocd/releases/tag/24.5.0 https://www.gocd.org/releases/#24-5-0

Frequently Asked Questions

What is CVE-2024-56324? +

GoCD is a continuous deliver server. GoCD versions prior to 24.4.0 can allow GoCD "group admins" to abuse ability to edit the raw XML configuration for groups they administer to trigger XML External Entity (XXE) injection on the GoCD server. Theoretically, the XXE vulnerability can result in additional attacks such as SSRF, information disclosure from the GoCD server, and directory traversal, although these additional attacks have not been explicitly demonstrated as exploitable. This issue is fixed in GoCD 24.5.0. Some workarounds are available. One may temporarily block access to `/go/*/pipelines/snippet` routes from an external reverse proxy or WAF if one's "group admin" users do not need the functionality to edit the XML of pipelines directly (rather than using the UI, or using a configuration repository). One may also prevent external access from one's GoCD server to arbitrary locations using some kind of environment egress control. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2024-56324? +

CVE-2024-56324 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-56324? +

CVE-2024-56324 affects products from thoughtworks, specifically: gocd. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-56324? +

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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