Description
Format string vulnerability in ProZilla 1.3.7.3 and earlier allows remote attackers to execute arbitrary code via format string specifiers in the Location header.
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 3.0 | prozilla | 1:1.3.6-3woody2 | DSA-719-1 |
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
- Prozilla 1.3.7.3 - Remote Format String EDB-806 · remote · Feb 9, 2005 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- DSA-719-1 prozilla - format string problems Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://www.securiteam.com/exploits/5WP082KEUW.html
- 12635 vdb-entry
- http://deicide.siyahsapka.org/exploits/proz_ex2.c
- DSA-719 vendor-advisory