security #cve-2019-10913 [HttpFoundation] reject invalid method override (nicolas-grekas)

This PR was merged into the 3.4 branch.

Discussion
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[HttpFoundation] reject invalid method override

Based on #86

Commits
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944e60f083 [HttpFoundation] reject invalid method override
This commit is contained in:
Nicolas Grekas 2019-04-16 10:46:31 +02:00
commit 84ee31179f
1 changed files with 29 additions and 14 deletions

View File

@ -1346,22 +1346,37 @@ class Request
*/
public function getMethod()
{
if (null === $this->method) {
$this->method = strtoupper($this->server->get('REQUEST_METHOD', 'GET'));
if ('POST' === $this->method) {
if ($method = $this->headers->get('X-HTTP-METHOD-OVERRIDE')) {
$this->method = strtoupper($method);
} elseif (self::$httpMethodParameterOverride) {
$method = $this->request->get('_method', $this->query->get('_method', 'POST'));
if (\is_string($method)) {
$this->method = strtoupper($method);
}
}
}
if (null !== $this->method) {
return $this->method;
}
return $this->method;
$this->method = strtoupper($this->server->get('REQUEST_METHOD', 'GET'));
if ('POST' !== $this->method) {
return $this->method;
}
$method = $this->headers->get('X-HTTP-METHOD-OVERRIDE');
if (!$method && self::$httpMethodParameterOverride) {
$method = $this->request->get('_method', $this->query->get('_method', 'POST'));
}
if (!\is_string($method)) {
return $this->method;
}
$method = strtoupper($method);
if (\in_array($method, ['GET', 'HEAD', 'POST', 'PUT', 'DELETE', 'CONNECT', 'OPTIONS', 'PATCH', 'PURGE', 'TRACE'], true)) {
return $this->method = $method;
}
if (!preg_match('/^[A-Z]++$/D', $method)) {
throw new SuspiciousOperationException(sprintf('Invalid method override "%s".', $method));
}
return $this->method = $method;
}
/**