Advisory Details

May 23rd, 2018

Adobe Acrobat Pro DC HTML2PDF HTML Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

CVE ID	CVE-2018-4997
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Adobe
AFFECTED PRODUCTS	Acrobat Pro DC
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code 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 HTML documents inside the HTML2PDF plugin. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated object. An attacker can leverage this vulnerability to execute code under 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	2018-01-26 - Vulnerability reported to vendor 2018-05-23 - Coordinated public release of advisory 2018-05-23 - Advisory Updated
CREDIT	riusksk of Tencent Security Platform Department

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