Basic auth bypass in esphome
### Impact Anyone with web_server enabled and HTTP basic auth configured on 2021.9.1 or older `web_server` allows OTA update without checking user defined basic auth username & password ### Patches Patch released in 2021.9.2 ### Workarounds Disable/remove `web_server`
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-41104US | high7.5OT elevated | — | ||
ESPHome is a system to control the ESP8266/ESP32. Anyone with web_server enabled and HTTP basic auth configured on version 2021.9.1 or older is vulnerable to an issue in which `web… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/esphome/esphomePACKAGE
- https://github.com/esphome/esphome/commit/2234f6aacf8cc653307fed80f3750317a82c4f83WEB
- https://github.com/esphome/esphome/commit/be965a60eba6bb769e2a5afdbc8eed132f077a59WEB
- https://github.com/esphome/esphome/pull/2409WEB
- https://github.com/esphome/esphome/releases/tag/2021.9.2WEB
- https://github.com/esphome/esphome/security/advisories/GHSA-48mj-p7x2-5jfmWEB
- https://github.com/pypa/advisory-database/tree/main/vulns/esphome/PYSEC-2021-351.yamlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-41104ADVISORY
scry
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