Blue Screen your shinny Windows Vista/7 box

An exploit is making the rounds that affects Windows Vista and 7 which have SMB (i.e., SAMBA or file sharing) enabled. The researcher, after a small change in the SMB Header has managed to crash the SRV2.SYS DLL which fails to handle malformed SMB headers[1].

“\x00\x26″# Process ID High: –> 🙂 normal value should be “\x00\x00”

As of now: Funny enough disable file sharing if and when not needed, or implement a rule to block SMB ports.

Links Used:
[1] – Full Disclosure: Windows Vista/7 : SMB2.0 NEGOTIATE PROTOCOL REQUEST Remote B.S.O.D. –

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