Microsoft Vulnerability Research Advisory MSVR11-007
Clickjacking Vulnerability in Facebook.com Could Allow Account Compromise
Published: | Updated:
Microsoft is providing notification of the discovery and remediation of a vulnerability affecting the popular social networking site, Facebook.com. Microsoft discovered and disclosed the vulnerability under coordinated vulnerability disclosure to the affected vendor, Facebook Inc. Facebook Inc. has remediated the vulnerability in Facebook.com.
A vulnerability exists in the way that Facebook.com had previously implemented protection against clickjacking attacks. An attacker could exploit this vulnerability to circumvent Facebook privacy settings and expose potentially sensitive user information. An attacker who successfully exploited this vulnerability could take complete control of a user’s Facebook.com account and could perform any action on behalf of the user, such as read potentially sensitive data, change data, and delete contacts.
Microsoft Vulnerability Research reported this issue to and coordinated with Facebook to ensure remediation of this issue. For more information from Facebook, see Facebook Security.
- The vulnerability cannot be exploited automatically through e-mail. For an attack to be successful, an attacker must convince a user to click on specially crafted Facebook content.
Purpose of Advisory: To notify users of a vulnerability and its remediation.
Advisory Status: Advisory published.
Recommendation: Review the Suggested Actions section and configure as appropriate.
For more information about this issue, see the following references:
|Common Vulnerabilities and Exposures||None*|
*This type of vulnerability is not tracked on the CVE List.
This advisory discusses a vulnerability in Facebook.com that has been remediated on Facebook.com. No specific end-user software is affected.
Microsoft thanks the following:
- Jesse Ou and Richard Lundeen of Microsoft for discovering this issue and the team at Facebook for working toward a resolution.
The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
- V1.0 (July 19, 2011): Advisory published.
- V1.1 (July 19, 2011): Added FAQ entries about disclosure and exploitation of this issue.