SB2018061220 - Multiple vulnerabilities in Microsoft Windows Kernel



SB2018061220 - Multiple vulnerabilities in Microsoft Windows Kernel

Published: June 12, 2018

Security Bulletin ID SB2018061220
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Privilege escalation (CVE-ID: CVE-2018-8224)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper handling of objects in memory by the Windows kernel. A local attacker can run a specially crafted application, trigger memory corruption and execute arbitrary code in kernel mode.

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


2) Information disclosure (CVE-ID: CVE-2018-8207)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to obtain potentially sensitive information.

The vulnerability exists due to improper handling of objects in memory by the Windows kernel. A local attacker can run a specially crafted application, trigger memory corruption and gain access to potentially sensitive information.


3) Information disclosure (CVE-ID: CVE-2018-8121)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to obtain potentially sensitive information.

The vulnerability exists due to improper initializing of objects in memory by the Windows kernel. A local attacker can run a specially crafted application, trigger memory corruption and gain access to potentially sensitive information.


Remediation

Install update from vendor's website.