Zero-day vulnerability in Adobe Flash Player

Memory corruption
CVE-2009-1862

Known malware:

Trojan.Pidief.G
Troj/SWFExp-M
Troj/SWFExp-N

Vulnerability details

Advisory: SB2009072201 - Remote code execution in Adobe Flash Player

Vulnerable component: Adobe Flash Player

CVE-ID: CVE-2009-1862

CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

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.