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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3511 APSB20-58 Security updates available for Adobe Flash Player 14 October 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Adobe Flash Player Publisher: Adobe Operating System: Windows Mac OS Linux variants Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2020-9746 Reference: ASB-2020.0169 Original Bulletin: https://helpx.adobe.com/security/products/flash-player/apsb20-58.html - --------------------------BEGIN INCLUDED TEXT-------------------- Security updates available for Adobe Flash Player | APSB20-58 +------------------------+----------------------------------+-----------------+ |Bulletin ID |Date Published |Priority | +------------------------+----------------------------------+-----------------+ |APSB20-58 |October 13, 2020 |2 | +------------------------+----------------------------------+-----------------+ Summary Adobe has released security updates for Adobe Flash Player for Windows, macOS, Linux and Chrome OS. These updates address a critical vulnerability in Adobe Flash Player. Successful exploitation could lead to an exploitable crash, potentially resulting in arbitrary code execution in the context of the current user. Affected Product Versions +---------------------------------------+---------------+----------------------+ |Product |Version |Platform | +---------------------------------------+---------------+----------------------+ |Adobe Flash Player Desktop Runtime |32.0.0.433 and |Windows, macOS and | | |earlier |Linux | +---------------------------------------+---------------+----------------------+ |Adobe Flash Player for Google Chrome |32.0.0.433 and |Windows, macOS, Linux | | |earlier |and Chrome OS | +---------------------------------------+---------------+----------------------+ |Adobe Flash Player for Microsoft Edge |32.0.0.387 and |Windows 10 and 8.1 | |and Internet Explorer 11 |earlier | | +---------------------------------------+---------------+----------------------+ 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 |32.0.0.445|macOS |2 | | | | | | |Flash Player | | | | | |Distribution | +---------------------+----------+------------+--------+----------------------+ | | |Windows, | | | |Adobe Flash Player |32.0.0.445|macOS, |2 |Google Chrome Releases| |for Google Chrome | |Linux, and | | | | | |Chrome OS | | | +---------------------+----------+------------+--------+----------------------+ |Adobe Flash Player | | | | | |for Microsoft Edge |32.0.0.445|Windows 10 |2 |Microsoft Security | |and Internet Explorer| |and 8.1 | |Advisory | |11 | | | | | +---------------------+----------+------------+--------+----------------------+ |Adobe Flash Player |32.0.0.445|Linux |3 |Flash Player Download | |Desktop Runtime | | | |Center | +---------------------+----------+------------+--------+----------------------+ Note: o Adobe recommends users of the Adobe Flash Player Desktop Runtime for Windows, macOS and Linux update to Adobe Flash Player 32.0.0.445 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 32.0.0.445 for Windows, macOS, 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 32.0.0.445. 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 | +--------------------------+--------------------------+--------+--------------+ |NULL Pointer Dereference |Arbitrary Code Execution |Critical|CVE-2020-9746 | +--------------------------+--------------------------+--------+--------------+ Note: Exploitation of CVE-2020-9746 requires an attacker to insert malicious strings in an HTTP response that is by default delivered over TLS/SSL. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. 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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