CVE-2023-33294

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Summary

CVECVE-2023-33294
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-05-22 16:15:00 UTC
Updated2023-05-30 15:34:00 UTC
DescriptionAn issue was discovered in KaiOS 3.0 before 3.1. The /system/bin/tctweb_server binary exposes a local web server that responds to GET and POST requests on port 2929. The server accepts arbitrary Bash commands and executes them as root. Because it is not permission or context restricted and returns proper CORS headers, it's accessible to all websites via the browser. At a bare minimum, this allows an attacker to retrieve a list of the user's installed apps, notifications, and downloads. It also allows an attacker to delete local files and modify system properties including the boolean persist.moz.killswitch property (which would render the device inoperable). This vulnerability is partially mitigated by SELinux which prevents reads, writes, or modifications to files or permissions within protected partitions.

Risk And Classification

Problem Types: CWE-77

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Kaiostech Kaios 3.0 All All All
Operating System Kaiostech Kaios 3.1 All All All

References

ReferenceSourceLinkTags
CVE-2023-33294: KaiOS 3.0 Root CLI via TCT Web Server MISC kaios.dev
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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