#VU22711 Out-of-bounds read in Windows and Windows Server


Published: 2019-11-12

Vulnerability identifier: #VU22711

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1432

CWE-ID: CWE-125

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 local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the DirectWrite. A local user can trick a victim to open a specially crafted document, or visit an untrusted webpage, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Windows: 7, 8.1 - 8.1 RT

Windows Server: 2008 - 2012 R2


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1432


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