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0-Day Flaws in Vanilla Forums Let Remote Attackers Hack Websites

0-Day Flaws in Vanilla Forums Let Remote Attackers Hack Websites
May 12, 2017
A security researcher has publicly disclosed two critical zero-day vulnerabilities in Vanilla Forums, an open source software that powers discussion on over 500,000 websites, which could allow unauthenticated, remote attackers to fully compromise targeted websites easily. Discovered by Polish security researcher Dawid Golunski of Legal Hackers, two separate unpatched vulnerabilities, a remote code execution ( CVE-2016-10033 ) and host header injection ( CVE-2016-10073 ), affect the latest version of Vanilla Forums 2.3, leaving hundreds of thousands of websites and their visitors vulnerable to various hacking attacks. Vanilla Forums: Remote Code Execution Flaw According to Golunski, both vulnerabilities technically exist because Vanilla Forum is still using a vulnerable version of PHPMailer , one of the most popular open source PHP libraries used to send emails. Last year Golunski reported a critical remote code execution flaw ( CVE-2016-10033 ) in PHPMailer library that al

Critical Updates — RCE Flaws Found in SwiftMailer, PhpMailer and ZendMail

Critical Updates — RCE Flaws Found in SwiftMailer, PhpMailer and ZendMail
Jan 03, 2017
A security researcher recently reported a critical vulnerability in one of the most popular open source PHP libraries used to send emails that allowed a remote attacker to execute arbitrary code in the context of the web server and compromise a web application. Disclosed by Polish security researcher Dawid Golunski of Legal Hackers, the issue ( CVE-2016-10033 ) in PHPMailer used by more than 9 Million users worldwide was thought to be fixed with the release of version 5.2.18. However, Golunski managed to bypass the patched version of PHPMailer that was given a new CVE ( CVE-2016-10045 ), which once again put millions of websites and popular open source web apps, including WordPress, Drupal, 1CRM, SugarCRM, Yii, and Joomla, at risk of remote code execution attack. PHPMailer eventually fixed the issue with an update, version 5.2.20 . All versions of PHPMailer before this critical release are affected, so web administrators and developers are strongly recommended to update to t

Critical PHPMailer Flaw leaves Millions of Websites Vulnerable to Remote Exploit

Critical PHPMailer Flaw leaves Millions of Websites Vulnerable to Remote Exploit
Dec 26, 2016
A critical vulnerability has been discovered in PHPMailer , which is one of the most popular open source PHP libraries to send emails used by more than 9 Million users worldwide. Millions of PHP websites and popular open source web applications, including WordPress, Drupal, 1CRM, SugarCRM, Yii, and Joomla comes with PHPMailer library for sending emails using a variety of methods, including SMTP to their users. Discovered by Polish security researcher Dawid Golunski of Legal Hackers , the critical vulnerability ( CVE-2016-10033 ) allows an attacker to remotely execute arbitrary code in the context of the web server and compromise the target web application. "To exploit the vulnerability an attacker could target common website components such as contact/feedback forms, registration forms, password email resets and others that send out emails with the help of a vulnerable version of the PHPMailer class," Golunski writes in the advisory published today. Golunski respo
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