Adobe Flash Player Multiple Vulnerabilities

SA48033

CVE-2012-0751, CVE-2012-0752, CVE-2012-0753, CVE-2012-0754, CVE-2012-0755, CVE-2012-0756, CVE-2012-0767

16 Feb 2012

07 Jun 2012

Highly Critical

Vendor Patch

Adobe Flash Player 11.x

From remote

System access

This covers vulnerabilities where malicious people are able to gain system access and execute arbitrary code with the privileges of a local user.

Cross-Site Scripting

Cross-Site Scripting vulnerabilities allow a third party to manipulate the content or behaviour of a web application in a user's browser, without compromising the underlying system.

Different Cross-Site Scripting related vulnerabilities are also classified under this category, including "script insertion" and "cross-site request forgery".

Cross-Site Scripting vulnerabilities are often used against specific users of a website to steal their credentials or to conduct spoofing attacks.

Security Bypass

This covers vulnerabilities or security issues where malicious users or people can bypass certain security mechanisms of the application.

The actual impact varies significantly depending on the design and purpose of the affected application.

Multiple vulnerabilities have been reported in Adobe Flash Player, which can be exploited by malicious people to conduct cross-site scripting attacks, bypass certain security restrictions, and compromise a user's system.

1) An unspecified error in an ActiveX Control can be exploited to corrupt memory.

2) A type confusion error can be exploited to corrupt memory.

3) An integer overflow error when allocating memory during processing the Copyright atom ("cprt") can be exploited to cause a buffer overflow via a specially crafted MP4 file.

4) An input validation error when calling the "_global.ASconstructor" function with id '2200' can be exploited to write a 0x01 byte to an arbitrary memory address.

5) An unspecified error can be exploited to bypass certain security restrictions.

6) An unspecified error can be exploited to bypass certain security restrictions.

Successful exploitation of the vulnerabilities #1 through #6 may allow execution of arbitrary code.

7) Certain unspecified input is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

NOTE: This vulnerability is reportedly being actively exploited in targeted attacks.

The vulnerabilities are reported in the following products:
* Adobe Flash Player versions 11.1.102.55 and prior for Windows, Macintosh, Linux, and Solaris
* Adobe Flash Player versions 11.1.112.61 and prior for Android 4.x
* Adobe Flash Player versions 11.1.111.5 and prior for Android 3.x and prior

Update to a fixed version.

Adobe Flash Player Windows, Macintosh, Linux and Solaris:
Update to version 11.1.102.62.

Adobe Flash Player for Android 4.x:
Update to version 11.1.115.6.

Adobe Flash Player for Android 3.x and prior:
Update to version 11.1.111.6.

3, 4) Alexander Gavrun via ZDI
6) Reported by the vendor
7) Reported as a 0-day. The vendor additionally credits Google.

The vendor also credits:
1) Xu Liu, Fortinet's FortiGuard Labs
2) Bo Qu, Palo Alto Networks
5) Eduardo Vela Nava, Google Security Team

Adobe:
http://www.adobe.com/support/security/bulletins/apsb12-03.html

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-12-047/
http://www.zerodayinitiative.com/advisories/ZDI-12-080/