“Use-after-free” error in Adobe products - CVE-2015-5123
Published: January 27, 2017 / Updated: November 20, 2020
Vulnerability identifier: #VU5469
CSH Severity: Critical
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-2015-5123
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to use-after-free error in the ActionScript 3 BitmapData class. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation results in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
Affected software
Adobe Flash Player for Linux
Adobe Flash Player Extended Support Release
Adobe Flash Player
Arch Linux
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Adobe Flash Player Extended Support Release
Adobe Flash Player
Arch Linux
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
How to mitigate CVE-2015-5123
Install update from vendor's website.