CVE-2025-47775

Bullfrog's DNS over TCP bypasses domain filtering

State: Published
Severity: 6.2 Medium
Published: May 14, 2025
Updated: May 14, 2025
Reserved: May 9, 2025

Description

Bullfrog is a GithHb Action to block unauthorized outbound traffic in GitHub workflows. Prior to version 0.8.4, using tcp breaks blocking and allows DNS exfiltration. This can result in sandbox bypass. Version 0.8.4 fixes the issue.

Scores

CVSS	Score	Vector	Source
3.1	6.2 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	GitHub_M

Weaknesses

CWE-201 Insertion of Sensitive Information Into Sent Data

Affected Products

Product	Versions
bullfrogbullfrogsec	< 0.8.4Affected

References

https://github.com/bullfrogsec/bullfrog/security/advisories/GHSA-m32f-fjw2-37v3
https://github.com/bullfrogsec/bullfrog/commit/ae7744ae4b3a6f8ffc2e49f501e30bf1a43d4671
https://github.com/bullfrogsec/bullfrog/releases/tag/v0.8.4

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