CVE-2023-30856

eDEX-UI cross-site websocket hijacking vulnerability enables remote command execution

Description

eDEX-UI is a science fiction terminal emulator. Versions 2.2.8 and prior are vulnerable to cross-site websocket hijacking. When running eDEX-UI and browsing the web, a malicious website can connect to eDEX's internal terminal control websocket, and send arbitrary commands to the shell. The project has been archived since 2021, and as of time of publication there are no plans to patch this issue and release a new version. Some workarounds are available, including shutting down eDEX-UI when browsing the web and ensuring the eDEX terminal runs with lowest possible privileges.

Category

8.3
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.14%
Vendor Advisory github.com
Affected: GitSquared edex-ui
Published at:
Updated at:

References

Link Tags
https://github.com/GitSquared/edex-ui/security/advisories/GHSA-q8xc-f2wf-ffh9 vendor advisory
https://christian-schneider.net/CrossSiteWebSocketHijacking.html technical description
https://github.com/GitSquared/edex-ui/blob/04a00c4079908788b371c6ecdefff96d0d9950f8/src/classes/terminal.class.js#L458 product

Frequently Asked Questions

What is the severity of CVE-2023-30856?
CVE-2023-30856 has been scored as a high severity vulnerability.
How to fix CVE-2023-30856?
To fix CVE-2023-30856, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-30856 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-30856 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-30856?
CVE-2023-30856 affects GitSquared edex-ui.
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