Advisory Details

January 10th, 2017

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

ZDI-17-027
ZDI-CAN-4308

CVE ID CVE-2017-2963
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 ImageConversion's TIFF parsing. The process does not properly validate user-supplied data which can result in a write 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/apsb17-01.html
DISCLOSURE TIMELINE
  • 2016-11-30 - Vulnerability reported to vendor
  • 2017-01-10 - Coordinated public release of advisory
CREDIT Ke Liu of Tencent's Xuanwu LAB
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