SB2017071112 - Privilege escalation in Microsoft GDI

Description

This security bulletin contains information about 3 vulnerabilities.

1) Memory corruption (CVE-ID: CVE-2017-8573)

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. A local user can execute arbitrary code on the target system with elevated privileges.

2) Memory corruption (CVE-ID: CVE-2017-8574)

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. A local user can execute arbitrary code on the target system with elevated privileges.

3) Memory corruption (CVE-ID: CVE-2017-8556)

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. A local user can execute arbitrary code on the target system with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8573
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8574
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8556