Microsoft update for Flash Player

Published: 2018-12-06 10:47:22
Severity Critical
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2018-15982
CVE-2018-15983
CVSSv3 8.4 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
6.5 [CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CWE ID CWE-416
CWE-427
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software Adobe Flash Player
Vulnerable software versions Adobe Flash Player on Windows Server 2019
Adobe Flash Player on Windows 10 Version 1803 for ARM64-based Systems
Adobe Flash Player on Windows 10 Version 1809 for ARM64-based Systems

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Vendor URL Microsoft

Security Advisory

1) Use-after-free

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing SWF files. A remote attacker can create a specially crafted .swf file, trick the victim to open it and execute arbitrary code on system with privileges of the current user.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note: this vulnerability is being exploited in the wild.

Remediation

Install updates from Microsoft website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180031

2) Insecure DLL loading

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into opening a file, associated with the vulnerable application, and execute arbitrary code on victim's system.

Remediation

Install updates from Microsoft website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180031

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