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The following cyber advisory was issued by the New York State Office of Information Technology Services and is intended for State government entities. The information may or may not be applicable to the general public and, accordingly, the State does not warrant its use for any specific purposes.

ITS ADVISORY NUMBER:
2013-009

DATE(S) ISSUED:
02/08/2013

SUBJECT:
Multiple Vulnerabilities in Adobe Flash Player Could Allow For Remote Code Execution (APSB13-04)

OVERVIEW:

Multiple vulnerabilities have been discovered in Adobe Flash Player that could allow remote code execution. Adobe Flash Player is a widely distributed multimedia and application player used to enhance the user experience when visiting web pages or reading e-mail messages.  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.

It should be noted that these vulnerabilities are currently being exploited via various phishing campaigns. 

SYSTEMS AFFECTED:

  • Adobe Flash Player 11.5.502.146 and earlier versions for Windows and Macintosh
  • Adobe Flash Player 11.2.202.261 and earlier versions for Linux
  • Adobe Flash Player 11.1.115.36 and earlier versions for Android 4.x
  • Adobe Flash Player 11.1.111.31 and earlier versions for Android 3.x and 2.x

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 Flash Player is prone to multiple vulnerabilities that could allow for remote code execution. Adobe has released security updates for Adobe Flash Player 11.5.502.146 and earlier versions for Windows and Macintosh, Adobe Flash Player 11.2.202.261 and earlier versions for Linux, Adobe Flash Player 11.1.115.36 and earlier versions for Android 4.x, and Adobe Flash Player 11.1.111.31 and earlier versions for Android 3.x and 2.x.

CVE-2013-0633 - This vulnerability is being exploited in the wild in targeted phishing attacks with an attached Microsoft Word document which contains specially crafted Flash (SWF) content. The exploit targets the ActiveX version of Flash Player on Windows.

CVE-2013-0634 - This vulnerability is being exploited in the wild in attacks delivered via specially crafted Flash (SWF) content hosted on websites that target Flash Player in Firefox or Safari on the Macintosh platform, as well as attacks using e-mail with an attached Microsoft Word document that contains specially crafted Flash (SWF) content.

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.

It should be noted that these vulnerabilities are currently being exploited via various phishing campaigns. 

RECOMMENDATIONS:
We recommend the following actions be taken:

  • Install the updates provided by 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.
  • Remind users not to visit untrusted websites or follow links provided by unknown or untrusted sources.
  • Remind users not to open e-mail attachments from unknown users or suspicious e-mails from trusted sources.

REFERENCES:
Adobe:
http://www.adobe.com/support/security/bulletins/apsb13-04.html

CVE:
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0633
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0634

Security Focus:
http://www.securityfocus.com/bid/57787
http://www.securityfocus.com/bid/57788

Deborah A. Snyder

Acting Chief Information Security Officer


 

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