#VU949 Use-after-free error in Adobe products - CVE-2016-6987
Published: October 13, 2016 / Updated: March 7, 2017
Vulnerability identifier: #VU949
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-6987
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Adobe Flash Player Extended Support Release
Adobe Flash Player for Linux
Adobe Flash Player
Adobe Flash Player Extended Support Release
Adobe Flash Player for Linux
Adobe Flash Player
Software vendor:
Adobe
Adobe
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to use-after-free memory error within Accessibility's sendEvent method when handling malicious .swf content. A remote attacker can create a specially crafted SWF file, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability will result in arbitrary code execution on the vulnerable system.
The weakness exists due to use-after-free memory error within Accessibility's sendEvent method when handling malicious .swf content. A remote attacker can create a specially crafted SWF file, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability will result in arbitrary code execution on the vulnerable system.
Remediation
Update Adobe Flash Player Desktop Runtime for Google Chrome, Windows and Macintosh, Microsoft Edge and Internet Explorer 11 to version 23.0.0.185;
Update Adobe Flash Player Extended Support Release to version 18.0.0.382;
Update Adobe Flash Player for Linux to version 11.2.202.637.
Update Adobe Flash Player Extended Support Release to version 18.0.0.382;
Update Adobe Flash Player for Linux to version 11.2.202.637.