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November 21, 2018
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Adobe: 24 Critical Flaws Patched in Acrobat Reader

Written by  newsfeed May 15, 2018

Updates released on Monday by Adobe for its Acrobat, Reader and Photoshop products patch nearly 50 vulnerabilities, including critical flaws that allow arbitrary code execution.

A total of 47 security holes have been addressed in the Windows and macOS versions of Acrobat DC (Consumer and Classic 2015), Acrobat Reader DC (Consumer and Classic 2015), Acrobat 2017, and Acrobat Reader 2017. The flaws have been resolved with the release of versions 2018.011.20040, 2017.011.30080 and 2015.006.30418.

The vulnerabilities include 24 critical memory corruptions that allow arbitrary code execution in the context of the targeted user, and various types of “important” issues that can lead to information disclosure or security bypasses.

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Independent experts and researchers from Cisco Talos, ESET, Kaspersky, Check Point, Palo Alto Networks, Tencent, Knownsec 404 Security Team, Cybellum and Cure53 have been credited for responsibly disclosing the flaws patched with the latest Acrobat and Reader releases. Many of the security bugs were reported to Adobe through Trend Micro’s Zero Day Initiative (ZDI).

Adobe also informed customers that support for Acrobat and Reader 11.x ended on October 15, 2017, and that version 11.0.23 is the final release for these branches. Users have been advised to update to the latest versions of Acrobat DC and Acrobat Reader DC.

Adobe has also released security updates for the Windows and macOS versions of Photoshop CC to address a flaw reported by researcher Giwan Go.

Photoshop CC 2018 version 19.1.4 and Photoshop CC 2017 version 18.1.4 fix a critical out-of-bounds write issue that can be exploited for arbitrary code execution in the context of the targeted user.

Earlier this month, Adobe patched several vulnerabilities in its Flash Player, Creative Cloud and Connect products with the company’s Patch Tuesday updates.

The previous round of security updates for Acrobat and Reader resolved 39 vulnerabilities. However, those updates had been assigned a priority rating of “2,” which makes them less likely to be exploited, while the latest patches have been given a priority rating of “1,” which means exploitation is more likely and users should update as soon as possible. 

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