Advisory Details

July 13th, 2018

Adobe Acrobat Pro DC ImageConversion XPS Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-18-622
ZDI-CAN-6093

CVE ID CVE-2018-5059
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 fonts in XPS files. 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/apsb18-21.html
DISCLOSURE TIMELINE
  • 2018-04-25 - Vulnerability reported to vendor
  • 2018-07-13 - Coordinated public release of advisory
  • 2018-07-13 - Advisory Updated
CREDIT Steven Seeley (mr_me) of Source Incite
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