Vulnerability in Adobe Flash Player Could Allow Remote Code Execution (APSB15-14)

ITS Advisory Number: 
2015-070
Date(s) Issued: 
Friday, July 3, 2015
Subject: 
Vulnerability in Adobe Flash Player Could Allow Remote Code Execution (APSB15-14)
Overview: 

A vulnerability has been discovered in Adobe Flash Player, which 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 email messages.

Successful exploitation of these vulnerabilities could result in the attacker gaining the same rights as the logged on user. Depending on the privileges associated with the user, an attacker could install programs; view, change, or delete data; or create new accounts with full user rights.

Systems Affected: 
  • Adobe Flash Player for Google Chrome prior to version 18.0.0.194
  • Adobe Flash Player for Internet Explorer 10 and 11 prior to version 18.0.0.194
  • Adobe Flash Player for Linux  prior to version 11.2.202.468
  • Adobe Flash Player Extended Support Release prior to version 13.0.0.296 
  • Adobe Desktop Runtime prior to version 18.0.0.194 for Macintosh and Windows
RISK
GOVERNMENT
Large and medium government entities: 
High
Small government entities: 
High
BUSINESS
Large and medium business entities: 
High
Small business entities: 
High
Home Users: 
High
Description: 

A vulnerability has been discovered in Adobe Flash Player, which could allow remote code execution. The vulnerability is described as a heap buffer overflow vulnerability that could lead to code execution (CVE-2015-3113).

Successful exploitation of these vulnerabilities could result in the attacker gaining the same rights as the logged on user. Depending on the privileges associated with the user, an attacker could install programs; view, change, or delete data; or create new accounts with full user rights. 

Adobe is aware of reports that CVE-2015-3113 is being actively exploited in the wild via limited, targeted attacks. Systems running Internet Explorer for Windows 7 and below, as well as Firefox on Windows XP, are known targets.

Actions: 
  • 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 un-trusted websites or follow links provided by unknown or un-trusted sources.
  • Do not open email attachments from unknown or untrusted sources or suspicious emails from trusted sources.