SB2016071304 - Multiple vulnerabilities in Windows Kernel-Mode Drivers

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Main Vulnerability Database SB2016071304

SB2016071304 - Multiple vulnerabilities in Windows Kernel-Mode Drivers

Published: July 13, 2016

Security Bulletin ID SB2016071304
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 secuirty vulnerabilities.


1) Information disclosure in Win32k.sys driver (CVE-ID: CVE-2016-3251)

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

The vulnerability exists due to out-of-bounds read in Windows GDI component. A local attacker can gain access to potentially sensitive information on the system

Successful exploitation of this vulnerability will allow a local attacker to read potentially sensitive information on the system.


2) Memory corruption in Win32k.sys driver (CVE-ID: CVE-2016-3286)

The vulnerability allows a local user to obtain elevated privileges.

The vulnerability exists doe to an error in Win32k.sys kernel-mode driver when handling certain objects in memory. A local user can elevate privileges on vulnerable system.

Successful exploitation of this vulnerability will allow a local attacker to executed arbitrary code with SYSTEM privileges.


3) Memory corruption in Win32k.sys driver (CVE-ID: CVE-2016-3254)

The vulnerability allows a local user to obtain elevated privileges.

The vulnerability exists doe to an error in Win32k.sys kernel-mode driver when handling certain objects in memory. A local user can elevate privileges on vulnerable system.

Successful exploitation of this vulnerability will allow a local attacker to executed arbitrary code with SYSTEM privileges.


4) Memory corruption in Win32k.sys driver (CVE-ID: CVE-2016-3252)

The vulnerability allows a local user to obtain elevated privileges.

The vulnerability exists doe to an error in Win32k.sys kernel-mode driver when handling certain objects in memory. A local user can elevate privileges on vulnerable system.

Successful exploitation of this vulnerability will allow a local attacker to executed arbitrary code with SYSTEM privileges.


5) Memory corruption in Win32k.sys driver (CVE-ID: CVE-2016-3250)

The vulnerability allows a local user to obtain elevated privileges.

The vulnerability exists doe to an error in Win32k.sys kernel-mode driver when handling certain objects in memory. A local user can elevate privileges on vulnerable system.

Successful exploitation of this vulnerability will allow a local attacker to executed arbitrary code with SYSTEM privileges.


6) Memory corruption in Win32k.sys driver (CVE-ID: CVE-2016-3249)

The vulnerability allows a local user to obtain elevated privileges.

The vulnerability exists doe to an error in Win32k.sys kernel-mode driver when handling certain objects in memory. A local user can elevate privileges on vulnerable system.

Successful exploitation of this vulnerability will allow a local attacker to executed arbitrary code with SYSTEM privileges.


Remediation

Install update from vendor's website.

References