Information disclosure in Microsoft Windows kernel

Published: 2019-08-13 | Updated: 2019-08-13

Severity	Low
Patch available	YES
Number of vulnerabilities	2
CVE ID	CVE-2019-1227 CVE-2019-1228
CWE ID	CWE-125
Exploitation vector	Local
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software	Windows Subscribe Windows Server
Vendor	Microsoft

Security Advisory

1) Out-of-bounds read

Severity: Low

CVSSv3: 3.4 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-1227

CWE-ID: CWE-125 - Out-of-bounds Read

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Windows kernel. A local user can use a specially crafted application to 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: 10 1803, 10 1809, 10 1903

Windows Server: 1803, 1903, 2019

CPE

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1227

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) Out-of-bounds read

Severity: Low

CVSSv3: 3.3 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1228