#VU46479 Buffer overflow in Microsoft Internet Explorer


Published: 2020-09-08

Vulnerability identifier: #VU46479

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-2020-1012

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Internet Explorer
Client/Desktop applications / Web browsers

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to escalate privilege so the system.

The vulnerability exists due to a boundary error in the Wininit.dll when handling objects in memory. A remote attacker can trick a victim to open a specially crafted file or visit a malicious webpage, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Microsoft Internet Explorer: 11


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1012


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