The administration web interface in NetWin SurgeFTP 2.3a2 and earlier allows remote attackers to cause a denial of service (daemon crash) via a large integer in the Content-Length HTTP header, which triggers a NULL pointer dereference when memory allocation fails.
Exploitability
AV:NAC:LAu:NImpact
C:NI:PA:P6.4/AV:N/AC:L/Au:N/C:N/I:P/A:P