CVE-2025-47775

Bullfrog's DNS over TCP bypasses domain filtering

Published May 14, 2025 CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-28122 Bullfrog's DNS over TCP bypasses domain filtering
Github GHSA Github GHSA GHSA-m32f-fjw2-37v3 Bullfrog's DNS over TCP bypasses domain filtering
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00016}

epss

{'score': 0.00046}

Type Values Removed Values Added
First Time appeared Bullfrogsec
Bullfrogsec bullfrog
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:bullfrogsec:bullfrog:*:*:*:*:*:*:*:*
Vendors & Products Bullfrogsec
Bullfrogsec bullfrog
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Bullfrog's DNS over TCP bypasses domain filtering
Weaknesses CWE-201
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
May 14, 2025, 3:42 PM
Reserved
May 9, 2025, 7:49 PM
Status
Analyzed
Published
May 14, 2025, 4:15 PM
Modified
Jun 17, 2026, 9:28 AM