Advisory Details

February 23rd, 2018

Adobe Acrobat Pro DC ImageConversion EMF Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

CVE ID	CVE-2018-4885
CVSS SCORE	4.3, AV:N/AC:M/Au:N/C:P/I:N/A:N
AFFECTED VENDORS	Adobe
AFFECTED PRODUCTS	Acrobat Pro DC
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Adobe Acrobat Pro 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 the parsing of EMF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. 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/apsb18-02.html
DISCLOSURE TIMELINE	2017-10-26 - Vulnerability reported to vendor 2018-02-23 - Coordinated public release of advisory 2018-02-23 - Advisory Updated
CREDIT	Ke Liu of Tencent's Xuanwu LAB

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