S-099: PeerCast Vulnerability

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Special Forums Cybersecurity Security Advisories (RSS) S-099: PeerCast Vulnerability

01-03-2008

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S-099: PeerCast Vulnerability

It was discovered that PeerCast, a P2P audio and video streaming server, is vulnerable to a heap overflow in the HTTP server code, which allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long SOURCE request. The risk is MEDIUM. Allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long SOURCE request.

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curlopt_useragent

CURLOPT_USERAGENT(3)					     curl_easy_setopt options					      CURLOPT_USERAGENT(3)

NAME

       CURLOPT_USERAGENT - set HTTP user-agent header

SYNOPSIS

       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_USERAGENT, char *ua);

DESCRIPTION

       Pass  a	pointer  to  a	zero terminated string as parameter. It will be used to set the User-Agent: header in the HTTP request sent to the
       remote server. This can be used to fool servers or scripts. You can also set any custom header with CURLOPT_HTTPHEADER(3).

       The application does not have to keep the string around after setting this option.

DEFAULT

       NULL, no User-Agent: header is used by default.

PROTOCOLS

       HTTP, HTTPS

EXAMPLE

       CURL *curl = curl_easy_init();
       if(curl) {
	 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");

	 curl_easy_setopt(curl, CURLOPT_USERAGENT, "Dark Secret Ninja/1.0");

	 curl_easy_perform(curl);
       }

AVAILABILITY

       As long as HTTP is supported

RETURN VALUE

       Returns CURLE_OK if HTTP is supported, CURLE_UNKNOWN_OPTION if not, or CURLE_OUT_OF_MEMORY if there was insufficient heap space.

SEE ALSO

       CURLOPT_REFERER(3), CURLOPT_HTTPHEADER(3),

libcurl 7.54.0							 December 21, 2016					      CURLOPT_USERAGENT(3)

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