Adobe issued a critical out-of-band patch to address CVE-2018-12848 Acrobat flaw

Pierluigi Paganini September 20, 2018

Adobe releases a critical out-of-band patch for CVE-2018-12848 Acrobat flaw, the security updates address a total of 7 vulnerabilities.

Adobe address seven vulnerability in Acrobat DC and Acrobat Reader DC, including one critical vulnerability that could be exploited by attackers to execute arbitrary code.

“Adobe has released security updates for Adobe Acrobat and Reader for Windows and MacOS. These updates address critical and important vulnerabilities.  Successful exploitation could lead to arbitrary code execution in the context of the current user.” reads the security advisory.

The flaws affect Acrobat DC and Acrobat Reader DC for Windows and macOS (versions 2018.011.20058 and earlier; Acrobat 2017 and Acrobat Reader 2017 for Windows and macOS (versions 2017.011.30099 and earlier), and Acrobat DC and Acrobat Reader DC for Windows and macOS (2015.006.30448 and earlier).

The security patches have been released just one week after Adobe released its Patch Tuesday updates for September 2018 that addressed 10 vulnerabilities in Flash Player and ColdFusion.

The most severe flaw, tracked as CVE-2018-12848,  is a critical out-of-bounds write issue that could allow arbitrary code execution.

The flaw was reported by Omri Herscovici, research team leader at Check Point Software Technologies, the expert also found other 3 vulnerabilities.

CVE-2018-12848 Adobe Acrobat Reader flaw

The remaining flaws are out-of-bounds read vulnerabilities (CVE-2018-12849, CVE-2018-12850, CVE-2018-12801, CVE-2018-12840, CVE-2018-12778, CVE-2018-12775) that are rated as “important” and could lead to information disclosure.

The CVE-2018-12778 and CVE- 2018-12775 vulnerabilities were anonymously reported via Trend Micro’s Zero Day Initiative, while the CVE-2018-12801 issue was discovered by experts at Cybellum Technologies LTD.

The good news is that Adobe is not aware of any malicious exploitation of the flaw in attacks.

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Pierluigi Paganini

(Security Affairs – Adobe, CVE-2018-12848)

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