Title: Firefly Media Server Multiple Null Pointer Dereference Vulnerabilities
Severity: MODERATE
Description:
Firefly Media Server is a music server application. The project was formerly known as mt-daapd.
Firefly Media Server is prone to multiple NULL-pointer-dereference vulnerabilities:
- A NULL-pointer vulnerability affects the 'ws_getheaders()' function of the 'webserver.c' source file. Specifically, if an attacker sends an authorization header that does not include a ':', then the 'last' parameter will continue to increment until a NULL-pointer dereference occurs.
- A NULL-pointer vulnerability affects the 'ws_decodepassword()' function of the 'webserver.c' source file. Specifically, if an attacker sends an authorization header containing no space, then the 'header' parameter will continue to increment until a NULL-pointer dereference occurs.
The attacker can exploit these issues to crash the affected application, denying service to legitimate users. Given the nature of these issues, remote attackers may also be able to execute code, but this has not been confirmed.
Firefly Media Server 0.2.4 is vulnerable; other versions may also be affected.
Affected Products:
- Debian Linux 4.0
- Debian Linux 4.0 alpha
- Debian Linux 4.0 amd64
- Debian Linux 4.0 arm
- Debian Linux 4.0 hppa
- Debian Linux 4.0 ia-32
- Debian Linux 4.0 ia-64
- Debian Linux 4.0 m68k
- Debian Linux 4.0 mips
- Debian Linux 4.0 mipsel
- Debian Linux 4.0 powerpc
- Debian Linux 4.0 s/390
- Debian Linux 4.0 sparc
- Firefly Media Server 0.2.4
- Gentoo Linux
References:
- Firefly: Firefly Media Server Homepage
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