#VU27803 Use-after-free in Windows and Windows Server


Published: 2020-05-12 | Updated: 2020-05-13

Vulnerability identifier: #VU27803

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1150

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

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

The vulnerability exists due to a boundary error within the handling of the CWMPErrorDlg object in Windows Media Foundation. A remote attacker can trick a victim to open a specially crafted media file, or visit a malicious webpage, trigger a use-after-free error and execute arbitrary code on the target system.

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

Mitigation
Install update from vendor's website.

Vulnerable software versions

Windows: 7

Windows Server: 2008 R2


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1150
http://www.zerodayinitiative.com/advisories/ZDI-20-639/


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.


Latest bulletins with this vulnerability