tinfoil-factory/netfoil · Security
netfoil: Incorrect block responses could lead to localhost traffic
- GHSA ID
- GHSA-xvg2-cgv6-6h7v
- Severity
- high
- Published
- Updated
- CVSS v4
- 7.4 · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Description
Summary
0.0.0.0 was used instead of NXDOMAIN for block responses. On Linux, which is the target platform for netfoil, the 0.0.0.0 is sent to localhost rather than just dropped.
Impact
Unintended traffic could be sent to localhost. Impact depends on running services and firewall rules.
CWEs
- CWE-693 · Protection Mechanism Failure
References
- https://github.com/tinfoil-factory/netfoil/security/advisories/GHSA-xvg2-cgv6-6h7v ↗
- https://github.com/tinfoil-factory/netfoil/pull/33 ↗
- https://github.com/tinfoil-factory/netfoil/commit/891d3513c77999a9deef9f23506807d9653ee448 ↗
- https://github.com/tinfoil-factory/netfoil/releases/tag/v0.4.0 ↗
- https://github.com/advisories/GHSA-xvg2-cgv6-6h7v ↗