Description
Buffer overflow in atftp daemon (atftpd) 0.6.1 and earlier, and possibly later versions, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long filename.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | atftp | 0.6.2 | — |
| Debian 13 | atftp | 0.6.2 | — |
| Debian 12 | atftp | 0.6.2 | — |
| Debian 3.0 | atftp | 0.6.1.1.0woody1 | DSA-314 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Atftpd 0.6 - 'atftpdx.c' Remote Command Execution EDB-39 · remote · Jun 10, 2003 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- DSA-314 atftp - buffer overflow Debian Security (DSA / DLA) · Mar 9, 2026
References
- 20030606 atftpd bug mailing-list
- 20030604 possible remote buffer overflow in atftpd mailing-list
- DSA-314 vendor-advisory