Language: PHP
Label: vulnerable
CWE: CWE-918 \u2014 Server-Side Request Forgery (SSRF)
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Code:
    function privReadEndCentralDirZip64(&$p_central_dir,$cdr_data){
        $this->zip64 = true;        
        //56 [zip64 end of central directory record]  
            //Vzip64_cdr_eof/Pblow_offset/vversion/vversion_un/Vdisk/Vdisk_start/Pdisk_entries/Pentries/Psize/Poffset
        //20 [zip64 end of central directory locator] 
            //Vzip64_cdr_loc_flag/Vdisk_num/Pcdr_offset/Vtotal_disk 
        //22 [end of central directory record]        
            //Vzip_cdr_eof/vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size
        $offset_back = 56+20+22;
        $old_pose = ftell($this->zip_fd);
        fseek($this->zip_fd,$old_pose-$cdr_data['comment_size']-$offset_back);
        $v_bin  = fread($this->zip_fd, 56);
        $v_data  = unpack('Vzip64_cdr_eof/Pblow_offset/vversion/vversion_un/Vdisk/Vdisk_start/Pdisk_entries/Pentries/Psize/Poffset', $v_bin);
        if($v_data['zip64_cdr_eof'] != 0x06064b50){
            PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid End of Zip64 Central Dir Record error:".json_encode($v_data));
            return PclZip::errorCode();
        }
        
        $loc_bin   = fread($this->zip_fd,20);
        $loc_data  = unpack('Vzip64_cdr_loc_flag/Vdisk_num/Pcdr_offset/Vtotal_disk', $loc_bin);
        if($loc_data['zip64_cdr_loc_flag'] != 0x07064b50){
            PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid End of Zip64 central directory locator error:".json_encode($loc_data));
            return PclZip::errorCode();
        }
        $p_central_dir['entries'] = $v_data['entries'];
        $p_central_dir['disk_entries'] = $v_data['disk_entries'];
        $p_central_dir['offset'] = $v_data['offset'];
        $p_central_dir['size'] = $v_data['size'];
        fseek($this->zip_fd,$old_pose);
        return 1;
    }