SB2017071115 - Multiple vulnerabilities in Win32k.sys in Microsoft Windows

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Main Vulnerability Database SB2017071115

SB2017071115 - Multiple vulnerabilities in Win32k.sys in Microsoft Windows

Published: July 11, 2017

Security Bulletin ID SB2017071115
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 vulnerabilities.


1) Memory corruption (CVE-ID: CVE-2017-8577)

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 user to escalate privileges on the system.

The vulnerability exists due to improper handling of object in memory in Microsoft Graphics Component within win32k.sys driver. A local user can execute arbitrary code on the target system with elevated privileges.


2) Memory corruption (CVE-ID: CVE-2017-8578)

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 user to escalate privileges on the system.

The vulnerability exists due to improper handling of object in memory in Microsoft Graphics Component within win32k.sys driver. A local user can execute arbitrary code on the target system with elevated privileges.


3) Memory corruption (CVE-ID: CVE-2017-8580)

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 user to escalate privileges on the system.

The vulnerability exists due to improper handling of object in memory in Microsoft Graphics Component within win32k.sys driver. A local user can execute arbitrary code on the target system with elevated privileges.


4) Memory corruption (CVE-ID: CVE-2017-8581)

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 user to escalate privileges on the system.

The vulnerability exists due to improper handling of object in memory in Microsoft Graphics Component within win32k.sys driver. A local user can execute arbitrary code on the target system with elevated privileges.


5) Memory corruption (CVE-ID: CVE-2017-8467)

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 user to escalate privileges on the system.

The vulnerability exists due to improper handling of object in memory in Microsoft Graphics Component within win32k.sys driver. A local user can execute arbitrary code on the target system with elevated privileges.


6) Information disclosure (CVE-ID: CVE-2017-8486)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

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


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

The vulnerability exists due to an error when processing objects in memory within Win32k.sys driver. A local user can gain access to potentially sensitive information on the system.


Remediation

Install update from vendor's website.

References