Advisory Details

August 8th, 2017

Adobe Acrobat Reader DC PDF Parsing Use-After-Free Remote Code Execution Vulnerability

ZDI-17-633
ZDI-CAN-4887

CVE ID CVE-2017-11231
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Acrobat Reader DC
TIPPINGPOINT™ IPS CUSTOMER PROTECTION TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 28916. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
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 PDF files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.

VENDOR RESPONSE Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/acrobat/apsb17-24.html
DISCLOSURE TIMELINE
  • 2017-06-08 - Vulnerability reported to vendor
  • 2017-08-08 - Coordinated public release of advisory
CREDIT Ashfaq Ansari - Project Srishti
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