Description
webserver.c in mt-dappd in Firefly Media Server 0.2.4 and earlier allows remote attackers to cause a denial of service (NULL dereference and daemon crash) via a stats method action to /xml-rpc with (1) an empty Authorization header line, which triggers a crash in the ws_decodepassword function; or (2) a header line without a ':' character, which triggers a crash in the ws_getheaders function.
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 4.0 | mt-daapd | 0.2.4+r1376-1.1+etch1 | DSA-1597-1 |
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.
Exploit-DB 1
- Firefly Media Server 0.2.4 - Remote Denial of Service EDB-4600 · dos · Nov 2, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- DSA-1597-1 mt-daapd - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- firefly-decodepassword-dos(38242) vdb-entry
- DSA-1597 vendor-advisory
- 20071102 [UPH-07-02] Firefly Media Server DoS mailing-list
- 26309 vdb-entry
- 20071102 Re: [UPH-07-01] Firefly Media Server DoS mailing-list
- firefly-getheaders-dos(38241) vdb-entry
- 28269 third-party-advisory
- 4600 exploit
- 20071102 [UPH-07-01] Firefly Media Server DoS mailing-list
- http://sourceforge.net/project/shownotes.php?group_id=98211&release_id=548679
- http://bugs.gentoo.org/show_bug.cgi?id=200110
- 30661 third-party-advisory
- GLSA-200712-18 vendor-advisory