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The Hacker News - Cybersecurity News and Analysis: openid

Nasty Covert Redirect Vulnerability found in OAuth and OpenID

Nasty Covert Redirect Vulnerability found in OAuth and OpenID

May 03, 2014Swati Khandelwal
After Heartbleed bug , a security flaw in widely used open-source software OpenSSL that puts countless websites at risk, another vulnerability has been found in popular authentication software OpenID and authorization software OAuth. Wang Jing , a Chinese mathematics Ph.D student at the Nanyang Technological University in Singapore, found that the OAuth and OpenID open source login tools are vulnerable to the " Covert Redirect " exploit. The login tools ' OAuth ' and 'OpenID' protocols are the commonly used open standard for authorization. OAuth designed as a way for users to sign in or sign up for other services using an existing identity of a site such as Google, Facebook, Microsoft or Twitter, whereas OpenID is a decentralized authentication system for the Internet that allows users to log in at websites across the internet with same digital identity. The Covert Redirect vulnerability could affect those who use 'OAuth' and 'OpenID' protocols to 'login' to the websites
Facebook Hacker received $33,500 reward for Remote code execution vulnerability

Facebook Hacker received $33,500 reward for Remote code execution vulnerability

January 23, 2014Mohit Kumar
Facebook has paid out its largest Bug Bounty ever of $33,500 to a Brazilian security researcher for discovering and reporting a critical Remote code execution vulnerability, which potentially allows the full control of a server. In September, ' Reginaldo Silva' found an XML External Entity Expansion vulnerability affecting the part of Drupal that handled OpenID, which allows attacker to read any files on the webserver. As a feature, Facebook allows users to access their accounts using OpenID in which it receives an XML document from 3rd service and parse it to verify that it is indeed the correct provider or not i.e. Receives at https://www.facebook.com/openid/receiver.php  In November 2013, while testing Facebook's ' Forgot your password ' functionality, he found that the OpenID process could be manipulated to execute any command on the Facebook server remotely and also allows to read arbitrary files on the webserver. In a Proof-of-Concept ,
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