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a778151f28
Test Plan: Ran `phpstan analyze -a autoload.php phabricator/src`. Reviewers: #blessed_reviewers, epriestley Reviewed By: #blessed_reviewers, epriestley Subscribers: Korvin, hach-que Differential Revision: https://secure.phabricator.com/D17371
78 lines
2.6 KiB
PHP
78 lines
2.6 KiB
PHP
<?php
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final class PhabricatorSecuritySetupCheck extends PhabricatorSetupCheck {
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public function getDefaultGroup() {
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return self::GROUP_OTHER;
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}
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protected function executeChecks() {
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// This checks for a version of bash with the "Shellshock" vulnerability.
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// For details, see T6185.
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$payload = array(
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'SHELLSHOCK_PAYLOAD' => '() { :;} ; echo VULNERABLE',
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);
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list($err, $stdout) = id(new ExecFuture('echo shellshock-test'))
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->setEnv($payload, $wipe_process_env = true)
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->resolve();
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if (!$err && preg_match('/VULNERABLE/', $stdout)) {
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$summary = pht(
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'This system has an unpatched version of Bash with a severe, widely '.
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'disclosed vulnerability.');
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$message = pht(
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'The version of %s on this system is out of date and contains a '.
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'major, widely disclosed vulnerability (the "Shellshock" '.
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'vulnerability).'.
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"\n\n".
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'Upgrade %s to a patched version.'.
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"\n\n".
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'To learn more about how this issue affects Phabricator, see %s.',
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phutil_tag('tt', array(), 'bash'),
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phutil_tag('tt', array(), 'bash'),
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phutil_tag(
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'a',
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array(
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'href' => 'https://secure.phabricator.com/T6185',
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'target' => '_blank',
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),
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pht('T6185 "Shellshock" Bash Vulnerability')));
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$this
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->newIssue('security.shellshock')
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->setName(pht('Severe Security Vulnerability: Unpatched Bash'))
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->setSummary($summary)
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->setMessage($message);
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}
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$file_key = 'security.alternate-file-domain';
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$file_domain = PhabricatorEnv::getEnvConfig($file_key);
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if (!$file_domain) {
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$doc_href = PhabricatorEnv::getDoclink('Configuring a File Domain');
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$this->newIssue('security.'.$file_key)
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->setName(pht('Alternate File Domain Not Configured'))
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->setSummary(
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pht(
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'Increase security (and improve performance) by configuring '.
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'a CDN or alternate file domain.'))
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->setMessage(
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pht(
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'Phabricator is currently configured to serve user uploads '.
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'directly from the same domain as other content. This is a '.
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'security risk.'.
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"\n\n".
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'Configure a CDN (or alternate file domain) to eliminate this '.
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'risk. Using a CDN will also improve performance. See the '.
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'guide below for instructions.'))
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->addPhabricatorConfig($file_key)
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->addLink(
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$doc_href,
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pht('Configuration Guide: Configuring a File Domain'));
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}
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}
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}
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