Zero-day vulnerability in Adobe Flash Player

тАЬUse-after-freeтАЭ error
CVE-2015-5123

The exploit code was revealed after Hacking Team data leak.

Known malware:

SWF_EKSPLOYT.EDF. (TrendMicro).

Vulnerability details

Advisory: SB2015071001 - Two remote code execution vulnerabilities in Adobe Flash Player

Vulnerable component: Adobe Flash Player

CVE-ID: CVE-2015-5123

CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/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 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.

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