High· 8.8GHSA-w2pm-r78h-4m7v CVE-2020-19316CWE-78Published Jan 6, 2022

OS Command Injection in Laravel Framework

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Affected versions

0 → fixed in 5.8.17

Details

OS Command injection vulnerability in function link in Filesystem.php in Laravel Framework before 5.8.17.

The fix

use escapeshellarg on windows symlink

Taylor Otwell· May 14, 2019, 03:58 PM+1−144c3feb604

src/Illuminate/Filesystem/Filesystem.php+1 −1

@@ -254,7 +254,7 @@ public function link($target, $link)
  
         $mode = $this->isDirectory($target) ? 'J' : 'H';
  
-        exec("mklink /{$mode} \"{$link}\" \"{$target}\"");
+        exec("mklink /{$mode} ".escapeshellarg($link)." ".escapeshellarg($target));
     }
  
     /**

OS Command Injection in Laravel Framework

Affected versions

Details

The fix

References