Memory corruption in Adobe Flash Player - CVE-2009-1862

 

Memory corruption in Adobe Flash Player - CVE-2009-1862

Published: December 20, 2016 / Updated: November 20, 2020


Vulnerability identifier: #VU1422
CSH Severity: Critical
CVSS v4.0: 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/E:A/U:Red
CVE-ID: CVE-2009-1862
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Adobe
Affected software:
Adobe Flash Player

Detailed vulnerability description

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

The weakness exists due to boundary error when parsing malformed files. A remote attacker can create a specially .pdf file or .swf file, related to authplay.dll, 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 results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

How to mitigate CVE-2009-1862

Update Adobe Flash Player 9.x and earlier to version 9.0.246.0:
http://www.adobe.com/support/flashplayer/downloads.html#fp9
Update Adobe Flash Player 10.x to version 10.0.32.18:
http://www.adobe.com/go/getflashplayer

Sources