Main Vulnerability Database Vulnerabilities #VU5802

Use-after-free error in Adobe Flash Player and Adobe Flash Player for Linux - CVE-2017-2985

Published: February 14, 2017 / Updated: September 14, 2018

Vulnerability identifier: #VU5802

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-2985

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

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

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Affected software

Adobe Flash Player
Adobe Flash Player for Linux
Gentoo Linux
Arch Linux
Microsoft Windows
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Windows Server

How to mitigate CVE-2017-2985

Install the latest version 24.0.0.221 from vendor's website.

Links to Public Exploits and PoC-codes

Exploit #1034 - Adobe Flash - Use-After-Free in Applying Bitmap Filter (March 18, 2020)

External References

https://helpx.adobe.com/security/products/flash-player/apsb17-04.html