Advisory Details

August 9th, 2017

Adobe Digital Editions ePub Font Parsing Use-After-Free Remote Code Execution Vulnerability

ZDI-17-642
ZDI-CAN-4127

CVE ID CVE-2017-11274
CVSS SCORE 6.8, (AV:N/AC:M/Au:N/C:P/I:P/A:P)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Digital Editions
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Digital Editions. 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 fonts in ePub 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 vulnerability to execute arbitrary 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/Digital-Editions/apsb17-27.html
DISCLOSURE TIMELINE
  • 2016-11-03 - Vulnerability reported to vendor
  • 2017-08-09 - Coordinated public release of advisory
CREDIT Steven Seeley of Source Incite
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