Use-after-free in Adobe Acrobat and Adobe Reader - CVE-2017-2956

 

Use-after-free in Adobe Acrobat and Adobe Reader - CVE-2017-2956

Published: January 10, 2017


Vulnerability identifier: #VU4108
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-2956
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Adobe
Affected software:
Adobe Acrobat
Adobe Reader

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to use-after-free error when processing PDF files. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, cause memory corruption and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of the vulnerability will result in system compromise.


How to mitigate CVE-2017-2956

Install the latest version of Adobe Reader and Acrobat:
  • Acrobat DC Continuous 15.023.20053
  • Acrobat Reader DC Continuous 15.023.20053
  • Acrobat DC Classic 15.006.30279
  • Acrobat Reader DC Classic 15.006.30279
  • Acrobat XI 11.0.19
  • Reader XI 11.0.19

Sources