curl: SMB READ_ANDX DataOffset not validated

Summary: in smbrequeststate case SMBDOWNLOAD curl reads two server-controlled fields from a READANDX response and uses them to decide where in the receive buffer file data starts. c / lib/smb.c / len = Curlread16leconst unsigned char msg + sizeofstruct smbheader + 11; off = Curlread16leconst...

curl: Heap Buffer Over-Read via Malicious SMB Server READ_ANDX Response

================================================================================ DESCRIPTION: ================================================================================ Summary: I discovered a heap buffer over-read vulnerability in libcurl's SMB protocol implementation. A malicious SMB serv...

curl: Heap Buffer Over-Read via Malicious SMB Server READ_ANDX Response

================================================================================ DESCRIPTION: ================================================================================ Summary: I discovered a heap buffer over-read vulnerability in libcurl's SMB protocol implementation. A malicious SMB serv...