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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.1080 Multiple vulnerabilities have been identified in Adobe Flash Player 11 April 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Adobe Flash Player Publisher: Adobe Operating System: Windows OS X Linux variants Chrome OS Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Access Confidential Data -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2018-4937 CVE-2018-4936 CVE-2018-4935 CVE-2018-4934 CVE-2018-4933 CVE-2018-4932 Original Bulletin: https://helpx.adobe.com/security/products/flash-player/apsb18-08.html - --------------------------BEGIN INCLUDED TEXT-------------------- Adobe Security Bulletin Applies to: Flash Player Last Published: April 11, 2018 Security updates available for Flash Player | APSB18-08 +-------------------------+--------------------------------+------------------+ |Bulletin ID |Date Published |Priority | +-------------------------+--------------------------------+------------------+ |APSB18-08 |April 10, 2018 |2 | +-------------------------+--------------------------------+------------------+ Summary 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. Affected Product Versions +-----------------------------------+-----------------+-----------------------+ |Product |Version |Platform | +-----------------------------------+-----------------+-----------------------+ |Adobe Flash Player Desktop Runtime |29.0.0.113 and |Windows, Macintosh and | | |earlier versions |Linux | +-----------------------------------+-----------------+-----------------------+ |Adobe Flash Player for Google |29.0.0.113 and |Windows, Macintosh, | |Chrome |earlier versions |Linux and Chrome OS | +-----------------------------------+-----------------+-----------------------+ |Adobe Flash Player for Microsoft |29.0.0.113 and |Windows 10 and 8.1 | |Edge and Internet Explorer 11 |earlier versions | | +-----------------------------------+-----------------+-----------------------+ 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. Solution Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the latest version: +--------------------+----------+-------------+--------+----------------------+ |Product |Version |Platform |Priority|Availability | +--------------------+----------+-------------+--------+----------------------+ | | | | |Flash Player Download | |Adobe Flash Player | |Windows, | |Center | |Desktop Runtime |29.0.0.140|Macintosh |2 | | | | | | |Flash Player | | | | | |Distribution | +--------------------+----------+-------------+--------+----------------------+ | | |Windows, | | | |Adobe Flash Player |29.0.0.140|Macintosh, |2 |Google Chrome Releases| |for Google Chrome | |Linux, and | | | | | |Chrome OS | | | +--------------------+----------+-------------+--------+----------------------+ |Adobe Flash Player | | | | | |for Microsoft Edge |29.0.0.140|Windows 10 |2 |Microsoft Security | |and Internet | |and 8.1 | |Advisory | |Explorer 11 | | | | | +--------------------+----------+-------------+--------+----------------------+ |Adobe Flash Player |29.0.0.140|Linux |3 |Flash Player Download | |Desktop Runtime | | | |Center | +--------------------+----------+-------------+--------+----------------------+ Note: o 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. o 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. o 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. o 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 details +------------------------+-------------------------+-----------+--------------+ |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 | +------------------------+-------------------------+-----------+--------------+ Acknowledgments Adobe would like to thank the following individuals and organizations for reporting this issue and for working with Adobe to help protect our customers: o Mateusz Jurczyk and Natalie Silvanovich of Google Project Zero (CVE-2018-4936, CVE-2018-4935, CVE-2018-4934, CVE-2018-4937) o willJ of Tencent PC Manager (CVE-2018-4933) o Lin Wang of Beihang University (CVE-2018-4932) - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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