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Advisories

docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems

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severity
high
date
Affecting

  • docker-socket-proxy <= 0.5.0

CWE
  • CWE-1220 Insufficient Granularity of Access Control
CVSS
8.3
CVSS V4 Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Credit
nedlir
Description
docker-socket-proxy fails to properly gate read endpoints in the /containers Docker API namespace when the CONTAINERS environment variable is set. Attackers can use GET requests to /containers/{id}/archive, /containers/{id}/export, /containers/{id}/logs, and /containers/{id}/top to read arbitrary files and download entire container filesystems as tar archives.

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