Microsoft update for Adobe Flash (June 2019)

1) Use-after-free

EUVDB-ID: #VU18737

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-7845

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

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, trigger use-after-free error and execute arbitrary code on the target system with privileges of the current user.

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

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Adobe Flash Player for Microsoft Windows: on Windows RT 8.1 - on Windows 10 Version 1903 for 32-bit Systems

CPE2.3

• cpe:2.3:a:microsoft:adobe_flash_player:on Windows RT 8.1:*:*:*:*:adobe_flash_player:*:*
• cpe:2.3:a:microsoft:adobe_flash_player:on Windows Server 2012 R2:*:*:*:*:adobe_flash_player:*:*
• cpe:2.3:a:microsoft:adobe_flash_player:on Windows Server 2012:*:*:*:*:adobe_flash_player:*:*

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV190015

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.