CVE-2017-6508

CVE-2017-6508 is a CRLF injection flaw in the url_parse function of Wget’s url.c (affecting Wget up to version 1.19.1). A remote attacker could inject arbitrary HTTP headers via CRLF sequences in the host portion of a URL, potentially influencing requests. Exploitation details are described in mu...

CVE-2017-13089

Summary: CVE-2017-13089 affects wget prior to 1.19.2. The issue is a stack-based buffer overflow in the HTTP protocol handling for chunked responses, caused by parsing chunk lengths with strtol() without enforcing non-negativity, leading to an attacker-controlled length passed to fd_read(). A rel...

CVE-2017-13090

The connected documents confirm CVE-2017-13090 affects wget prior to 1.19.2, due to chunked HTTP processing in retr.c:fd_read_body(). The chunk parser uses strtol() to read chunk lengths but does not validate non-negativity; then reads chunks with MIN(..) and passes a negative length to fd_read()...