Medium severity

Facebook Cross-Site Request Forgery vulnerability

Cross-Site Request Forgery in the Facebook mobile interface when editing the profile.

Original release date
February 2010
Discovered by
Juan Galiana Lara
Severity
6.3 / 10 CVSS v2.0
Affected product
Facebook (mobile interface, editprofile.php)

Antecedentes

Facebook is a social network operated and owned by Facebook, Inc. Users can add friends, send them messages, and update their profile.

Description

The Facebook mobile interface is vulnerable to CSRF because the resource m.facebook.com/a/editprofile.php is not protected with a token when updating variables such as phone_cell or phone_other. An attacker can force a user to perform actions on Facebook and change their profile without authorization.

Business impact

An attacker can force an end user to perform unintended actions on Facebook. Exploitation of the proof of concept allows updating the victim's profile data.

Affected systems

Facebook.

Solución

Corrected by the manufacturer.

Calendario de divulgación

2 Feb 2010 Vulnerability discovered by Internet Security Auditors.
3 Feb 2010 Contact the manufacturer.
4 Feb 2010 Answer: It is under review.
9 Feb 2010 Corrected.
10 Feb 2010 Status request. Response: correction in progress.
12 Feb 2010 Send to the lists.

References

Sobre Internet Security Auditors

Company based in Spain and Colombia, specializing in web application auditing, network security, penetration testing, and compliance implementation and assessment. Our clients include some of the largest finance, telecommunications, insurance, and ICT companies. A vendor-independent provider with in-depth experience since 2001. Our R&D efforts include vulnerability research, collaboration on open security projects, whitepapers, and participation in industry events.

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