Privilege escalation to the `CAP_NET_RAW` capability via the `programs.captive-browser` NixOS module
Summary
Privilege escalation to the CAP_NET_RAW capability via the programs.captive-browser NixOS module
Original description
The description as published by the source.
captive browser, a dedicated Chrome instance to log into captive portals without messing with DNS settings. In 25.05 and earlier, when programs.captive-browser is enabled, any user of the system can run arbitrary commands with the CAP_NET_RAW capability (binding to privileged ports, spoofing localhost traffic from privileged services...). This vulnerability is fixed in 25.11 and 26.05.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- patch github.com
- patch github.com