CIS CYBER SECURITY ADVISORIES

MS-ISAC CYBER SECURITY ADVISORY NUMBER:
2011-069

DATE(S) ISSUED:
11/09/2011

SUBJECT:
Multiple Vulnerabilities in Adobe Shockwave Player Could Allow For Remote Code Execution

OVERVIEW:

Multiple vulnerabilities have been discovered in Adobe Shockwave, which could allow an attacker to take complete control of an affected system. Adobe Shockwave is a multimedia platform used to add animation and interactivity to web pages. These vulnerabilities may be exploited if a user visits or is redirected to a specially crafted web page or when a user opens a specially crafted file. Successful exploitation could result in an attacker gaining the same privileges as the logged on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Failed exploit attempts will likely cause denial-of-service conditions.

SYSTEMS AFFECTED:

  • Adobe Shockwave Player (versions prior to 11.6.3.633)

RISK:
Government:

  • Large and medium government entities: High
  • Small government entities: High

Businesses:

  • Large and medium business entities: High
  • Small business entities: High

Home users: High

DESCRIPTION:
Adobe Shockwave Player is prone to multiple memory corruption vulnerabilities that could allow for remote code execution. Details of these vulnerabilities are as follows:

  • Two memory corruption vulnerabilities exist in the 'DIRapi.dll' component that could lead to remote code execution.
  • Multiple memory corruption vulnerabilities exists in the 'Textra.x32' component that could lead to remote code execution.
  • An unspecified remote memory corruption vulnerability exists that could lead to remote code execution.

 

Successful exploitation could result in an attacker gaining the same privileges as the logged on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Failed exploit attempts will likely cause denial-of-service conditions.

RECOMMENDATIONS:
We recommend the following actions be taken:

  • Install the 11.6.3.633 update from Adobe immediately after appropriate testing.
  • Run all software as a non-privileged user (one without administrative privileges) to diminish the effects of a successful attack.
  • Do not open email attachments or follow web links from unknown or untrusted sources.
  • Consider implementing file extension white lists for allowed e-mail attachments.

 

REFERENCES:

Adobe:
http://www.adobe.com/support/security/bulletins/apsb11-27.html

 

CVE:
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2446
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2447
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2448
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2449