Netfoil has incorrect allowlist enforcement
Priority LOW 38CWE-183Published · Updated
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
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- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub.
Summary
### Summary Rules could be bypassed by changing the first character: `example.com` could be be bypassed by e.g. `fxample.com`. ### Details Off-by-one error in the suffixtrie implementation. ### Impact The domain filter could be bypassed. Please note that DNS filtering alone is not enough to block malicious traffic.
Why it matters now
Fix Fixed github.com/tinfoil-factory/netfoil (Go): 0.2.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | github.com/tinfoil-factory/netfoil (Go) | before 0.2.1 | 0.2.1 | Patch available | GHSA-84g5-x8j3-7235 |
- github.com/tinfoil-factory/netfoil (Go) Vendor— Affected before 0.2.1 Fixed in 0.2.1 Patch available GHSA-84g5-x8j3-7235
Remediation
- Fix · GHSA-84g5-x8j3-7235 github.com/tinfoil-factory/netfoil (Go) Fixed in 0.2.1 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-84g5-x8j3-7235
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences