Vulnerabilidad CSRF en LinkedIn
CSRF vulnerability in LinkedIn's "Join Groups" functionality that allowed forcing users to join groups without consent.
Antecedentes
LinkedIn is a professional social networking platform launched on May 5, 2003, with more than 175 million users.
Description
The vulnerability involves CSRF attacks on LinkedIn's "Join Groups" functionality. The authentication mechanism relies solely on session cookies that browsers transmit automatically. Attackers can create malicious pages with HTTP GET requests to force authenticated users to join attacker-controlled groups without their consent.
Business impact
Attackers can force victims to request membership in groups without their knowledge or authorization.
Systems affected
www.linkedin.com
Solución
LinkedIn resolved the issue.
Calendario de divulgación
References
The information contained within this advisory is supplied 'as-is' with no warranties or guarantees of fitness for use or otherwise. Internet Security Auditors accepts no responsibility for any damage caused by the use or misuse of this information.
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