[UPH-07-03] Firefly Media Server remote format string vulnerability

[nnp <version5 () gmail com>]

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[UPH-07-02]
UnprotectedHex.com security advisory [07-02]
Discovered by nnp

Discovered : 1 August 2007
Reported to the vendor : 13 October 2007
Fixed by vendor : 21 October 2007

Vulnerability class : Remote format string

Affected product : mt-dappd/Firefly Media Server
Version : request_vars,"HTTP_USER",username);
    ws_addarg(&pwsc->request_vars,"HTTP_PASSWD",password);


int ws_addarg(ARGLIST *root, char *key, char *fmt, ...) {
...
    va_start(ap,fmt);
    vsnprintf(value,sizeof(value),fmt,ap);
    va_end(ap);


Proof of concept code : Yes


- --
http://www.smashthestack.org
http://www.unprotectedhex.com
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