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-rwxr-xr-xusr/local/www/diag_arp.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/usr/local/www/diag_arp.php b/usr/local/www/diag_arp.php
index c24ca62..19f74f0 100755
--- a/usr/local/www/diag_arp.php
+++ b/usr/local/www/diag_arp.php
@@ -249,7 +249,7 @@ function _getHostName($mac,$ip) {
else if ($dhcpip[$ip])
return $dhcpip[$ip];
else{
- exec("host -W 1 $ip", $output);
+ exec("host -W 1 " . escapeshellarg($ip), $output);
if (preg_match('/.*pointer ([A-Za-z0-9.-]+)\..*/',$output[0],$matches)) {
if ($matches[1] <> $ip)
return $matches[1];
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