SB2015120801 - Multiple vulnerabilities in Microsoft Windows

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Memory corruption (CVE-ID: CVE-2015-6175)

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

The vulnerability exists due to boundary error when handling of objects in kernel memory. A local attacker can execute a specially crafted program, trigger memory corruption and gain SYSTEM privileges.

Successful exploitation of this vulnerability results in privilege escalation on the vulnerable system.

Note: the vulnerability was being actively exploited.

2) Memory corruption (CVE-ID: CVE-2015-6174)

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

The vulnerability exists due to boundary error when handling of objects in kernel memory. A local attacker can execute a specially crafted program, trigger memory corruption and gain SYSTEM privileges.

Successful exploitation of this vulnerability results in privilege escalation on the vulnerable system.

3) Memory corruption (CVE-ID: CVE-2015-6173)

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

The vulnerability exists due to boundary error when handling of objects in kernel memory. A local attacker can execute a specially crafted program, trigger memory corruption and gain SYSTEM privileges.

Successful exploitation of this vulnerability results in privilege escalation on the vulnerable system.

4) Memory corruption (CVE-ID: CVE-2015-6171)

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

The vulnerability exists due to boundary error when handling of objects in kernel memory. A local attacker can execute a specially crafted program, trigger memory corruption and gain SYSTEM privileges.

Successful exploitation of this vulnerability results in privilege escalation on the vulnerable system.

Remediation

Install update from vendor's website.

References

• https://technet.microsoft.com/en-us/library/security/ms15-135