cURL/libcURL 7.19.3 - HTTP 'Location:' Redirect Security Bypass
source: https://www.securityfocus.com/bid/33962/info
cURL/libcURL is prone to a security-bypass vulnerability.
Remote attackers can exploit this issue to bypass certain security restrictions and carry out various attacks.
This issue affects cURL/libcURL 5.11 through 7.19.3. Other versions may also be vulnerable.
The following example redirection request may be used to carry out this attack:
Location: scp://name:passwd@host/a'``;date >/tmp/test``;'