Microsoft pptp vpn vulnerabilities Exploits in Action

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Key fingerprint = AF19 FA27 2F94 998D FDB5 DE3D F8B5 06E4 A169 4E46 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Key fingerprint = AF19 FA27 2F94 998D FDB5 DE3D F8B5 06E4 A169 4E46 
 
© SANS Institute 2000 - 200
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Author retains full rights.
95
u_int8_t code;
u_int8_t ident;
u_int16_t length;
};
struct ppp_lcp_packet {
struct ppp_header ppp;
struct ppp_lcp_chap_header lcp;
};
struct ppp_lcp_chap_auth_option {
u_int8_t type;
u_int8_t length;
u_int16_t auth_proto;
u_int8_t algorithm;
};
struct ppp_lcp_magic_option {
u_int8_t type;
u_int8_t length;
u_int32_t magic;
};
struct ppp_lcp_pfc_option {
u_int8_t type;
u_int8_t length;
};
struct ppp_lcp_acfc_option {
u_int8_t type;
u_int8_t length;
};
 
struct ppp_chap_challenge {
u_int8_t size;
union {
unsigned char challenge[8];
struct {
unsigned char lanman[24];
unsigned char nt[24];
u_int8_t flag;
} responce;
} value;
/* name */
};
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