Security Update for Adobe Flash Player (3201860)

Published: 2016-10-27
Severity Critical
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2016-7855
CWE ID CWE-119
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software Adobe Flash Player Subscribe
Adobe Flash Player for Linux
Vendor Adobe

Security Advisory

This security advisory describes one critical risk vulnerability.

1) Use-after-free error

Severity: Critical

CVSSv3: 8.9 [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] [PCI]

CVE-ID: CVE-2016-7855

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 vulnerability exists due to use-after-free error when handling .swf files. A remote attacker can trick the victim to visit a website or open a file with malicious Flash file and execute arbitrary code on the target system with privileges of the current user.

Note: this vulnerability was being actively exploited in the wild.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Adobe Flash Player: 23.0.0.162, 23.0.0.185, 23.0.0.205

Adobe Flash Player for Linux: 11.2.202.238, 11.2.202.261, 11.2.202.262, 11.2.202.270, 11.2.202.273, 11.2.202.327, 11.2.202.332, 11.2.202.335, 11.2.202.336, 11.2.202.341, 11.2.202.350, 11.2.202.356, 11.2.202.418, 11.2.202.424, 11.2.202.425, 11.2.202.429, 11.2.202.438, 11.2.202.438, 11.2.202.440, 11.2.202.440, 11.2.202.442, 11.2.202.451, 11.2.202.457, 11.2.202.466, 11.2.202.468, 11.2.202.481, 11.2.202.491, 11.2.202.535, 11.2.202.540, 11.2.202.554, 11.2.202.559, 11.2.202.569, 11.2.202.577, 11.2.202.616, 11.2.202.621, 11.2.202.626, 11.2.202.632, 11.2.202.635, 11.2.202.637, 11.2.202.643

CPE External links

MS16-128

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.