38 строки
744 B
C
38 строки
744 B
C
/*
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* NSDL002
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*
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* Naive Sensitive Data Leak 002
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netdb.h>
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void
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leaks_passwd(unsigned lookup)
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{
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char *p;
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struct addrinfo hints, *result;
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p = getpass("enter passwd: ");
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/* l.v. p is now tainted with sensitive data */
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memset(&hints, 0, sizeof(struct addrinfo));
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hints.ai_family = AF_UNSPEC;
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hints.ai_socktype = SOCK_DGRAM;
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hints.ai_flags = 0;
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hints.ai_protocol = 0;
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/* leak password via getaddrinfo() DNS lookup. contrived af. */
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memset(p, 0, strlen(p)); // XXX :PpPp
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(void)getaddrinfo(p, "http", &hints, &result);
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}
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int
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main(int argc, char **argv)
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{
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leaks_passwd(random());
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return 0;
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}
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