Microsoft Windows update for Flash Player

Published: 2018-03-13 | Updated: 2018-03-13
Severity High
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2018-4919
CVE-2018-4920
CWE ID CWE-416
CWE-843
Exploitation vector Network
Public exploit N/A
Vulnerable software Adobe Flash Player Subscribe
Vendor Microsoft

Security Advisory

1) Use-after-free

Severity: High

CVSSv3: 8.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2018-4919

CWE-ID: CWE-416 - Use After Free

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 processing .swf content. A remote unauthenticated attacker can create a specially crafted .swf file, trick the victim into opening it by visiting a malicious web page and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Adobe Flash Player: on Windows 8.1 for 32-bit systems, on Windows 8.1 for x64-based systems, on Windows 10 for 32-bit Systems, on Windows 10 for x64-based Systems, on Windows 10 Version 1511 for 32-bit Systems, on Windows 10 Version 1511 for x64-based Systems, on Windows 10 Version 1607 for 32-bit Systems, on Windows 10 Version 1607 for x64-based Systems, on Windows 10 Version 1703 for 32-bit Systems, on Windows 10 Version 1703 for x64-based Systems, on Windows 10 Version 1709 for 32-bit Systems, on Windows 10 Version 1709 for 64-based Systems, on Windows RT 8.1, on Windows Server 2012, on Windows Server 2012 R2, on Windows Server 2016

CPE External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180006

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.

2) Type confusion

Severity: High

CVSSv3: 8.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2018-4920

CWE-ID: CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')

Description

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

The vulnerability exists due to type confusion error when processing .swf content. A remote unauthenticated attacker can create a specially crafted .swf file, trick the victim into opening it by visiting a malicious web page and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Adobe Flash Player: on Windows 8.1 for 32-bit systems, on Windows 8.1 for x64-based systems, on Windows 10 for 32-bit Systems, on Windows 10 for x64-based Systems, on Windows 10 Version 1511 for 32-bit Systems, on Windows 10 Version 1511 for x64-based Systems, on Windows 10 Version 1607 for 32-bit Systems, on Windows 10 Version 1607 for x64-based Systems, on Windows 10 Version 1703 for 32-bit Systems, on Windows 10 Version 1703 for x64-based Systems, on Windows 10 Version 1709 for 32-bit Systems, on Windows 10 Version 1709 for 64-based Systems, on Windows RT 8.1, on Windows Server 2012, on Windows Server 2012 R2, on Windows Server 2016

CPE External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180006

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.