Advisory Details

November 21st, 2017

Adobe Acrobat Pro DC iframe Same Origin Policy Bypass Information Disclosure Vulnerability

ZDI-17-927
ZDI-CAN-4756

CVE ID CVE-2017-16369
CVSS SCORE 4.3, (AV:N/AC:M/Au:N/C:P/I:N/A:N)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Acrobat Pro DC
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 28924. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
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 conversion of HTML to PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in bypassing the same origin policy. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary 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/apsb17-36.html
DISCLOSURE TIMELINE
  • 2017-06-22 - Vulnerability reported to vendor
  • 2017-11-21 - Coordinated public release of advisory
CREDIT Steven Seeley (mr_me) of Offensive Security
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