Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
When doing a TFTP transfer and curl/libcurl is given a URL that contains a very long file name (longer than about 515 bytes), the file name is truncated to fit within the buffer boundaries, but the buffer size is still wrongly updated to use the untruncated length. This too large value is then used in the sendto() call, making curl attempt to send more data than what is actually put into the buffer. The endto() function will then read beyond the end of the heap based buffer. A malicious HTTP(S) server could redirect a vulnerable libcurl-using client to a crafted TFTP URL (if the client hasn't restricted which protocols it allows redirects to) and trick it to send private memory contents to a remote server over UDP. Limit curl's redirect protocols with --proto-redir and libcurl's with CURLOPT_REDIR_PROTOCOLS.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Haxx curl/libcURL 缓冲区错误漏洞
Vulnerability Description
Haxx curl和libcurl都是瑞典Haxx公司的产品。curl是一套利用URL语法在命令行下工作的文件传输工具。libcurl是一个免费、开源的客户端URL传输库。 Haxx curl/libcURL中存在基于堆的缓冲区溢出漏洞。攻击者可利用该漏洞诱使使用curl的客户端向远程服务器发送私人的内存内容。
CVSS Information
N/A
Vulnerability Type
N/A