Advisory Details

April 11th, 2017

Adobe Reader DC Collab shareFile Information Disclosure Vulnerability

CVE ID	CVE-2017-3043
CVSS SCORE	4.3, AV:N/AC:M/Au:N/C:P/I:N/A:N
AFFECTED VENDORS	Adobe
AFFECTED PRODUCTS	Acrobat Reader DC
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within Collab's shareFile function. The issue occurs when a PDF file is opened from the Cloud. The Collab.shareFile function does not properly check the file path, which results in reading arbitrary memory. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.
ADDITIONAL DETAILS	Adobe has issued an update to correct this vulnerability. More details can be found at: https://helpx.adobe.com/security/products/acrobat/apsb17-11.html
DISCLOSURE TIMELINE	2017-01-13 - Vulnerability reported to vendor 2017-04-11 - Coordinated public release of advisory
CREDIT	AbdulAziz Hariri - Trend Micro Zero Day Initiative

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