Headline
CVE-2018-4934: Adobe Security Bulletin
Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
Security updates available for Flash Player | APSB18-08
Bulletin ID
Date Published
Priority
APSB18-08
April 10, 2018
2
Adobe has released security updates for Adobe Flash Player for Windows, Macintosh, Linux and Chrome OS. These updates address critical vulnerabilities in Adobe Flash Player 29.0.0.113 and earlier versions. Successful exploitation could lead to arbitrary code execution in the context of the current user.
Product
Version
Platform
Adobe Flash Player Desktop Runtime
29.0.0.113 and earlier versions
Windows, Macintosh and Linux
Adobe Flash Player for Google Chrome
29.0.0.113 and earlier versions
Windows, Macintosh, Linux and Chrome OS
Adobe Flash Player for Microsoft Edge and Internet Explorer 11
29.0.0.113 and earlier versions
Windows 10 and 8.1
To verify the version of Adobe Flash Player installed on your system, access the About Flash Player page, or right- click on content running in Flash Player and select “About Adobe (or Macromedia) Flash Player” from the menu. If you use multiple browsers, perform the check for each browser you have installed on your system.
Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the latest version:
Note:
- Adobe recommends users of the Adobe Flash Player Desktop Runtime for Windows, Macintosh and Linux update to Adobe Flash Player 29.0.0.140 via the update mechanism within the product [1] or by visiting the Adobe Flash Player Download Center.
- Adobe Flash Player installed with Google Chrome will be automatically updated to the latest Google Chrome version, which will include Adobe Flash Player 29.0.0.140 for Windows, Macintosh, Linux and Chrome OS.
- Adobe Flash Player installed with Microsoft Edge and Internet Explorer 11 for Windows 10 and 8.1 will be automatically updated to the latest version, which will include Adobe Flash Player 29.0.0.140.
- Please visit the Flash Player Help page for assistance in installing Flash Player.
[1] Users who have selected the option to ‘Allow Adobe to install updates’ will receive the update automatically. Users who do not have the ‘Allow Adobe to install updates’ option enabled can install the update via the update mechanism within the product when prompted.
Vulnerability Category
Vulnerability Impact
Severity
CVE Number
Use-After-Free
Remote Code Execution
Critical
CVE-2018-4932
Out-of-bounds read
Information Disclosure
Important
CVE-2018-4933
Out-of-bounds read
Information Disclosure
Important
CVE-2018-4934
Out-of-bounds write
Remote Code Execution
Critical
CVE-2018-4935
Heap Overflow
Information Disclosure
Important
CVE-2018-4936
Out-of-bounds write
Remote Code Execution
Critical
CVE-2018-4937
Adobe would like to thank the following individuals and organizations for reporting this issue and for working with Adobe to help protect our customers:
- Mateusz Jurczyk and Natalie Silvanovich of Google Project Zero (CVE-2018-4936, CVE-2018-4935, CVE-2018-4934, CVE-2018-4937)
- willJ of Tencent PC Manager (CVE-2018-4933)
- Lin Wang of Beihang University (CVE-2018-4932)