CVE-2018-0750 — Windows GDI Information Disclosure Vulnerability

Executive Summary

A Win32k information disclosure vulnerability exists when the Windows GDI component improperly discloses kernel memory addresses. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system. To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application. The vulnerability would not allow an attacker to execute code or to elevate user rights directly, but it could be used to obtain information that could be used to try to further compromise the affected system. The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory.

Overview

5.5

CVSS MEDIUM

Important

MS Severity

Not Exploited

MS Exploit Status

More Likely

MS Exploit Likelihood

Category Information Disclosure

Released Jan 9 2018

Last Updated Jan 9 2018

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

CVSS Vector

ATTACK VECTOR

Local

ATTACK COMPLEXITY

Low

PRIVILEGES REQUIRED

Low

USER INTERACTION

None

SCOPE

Unchanged

CONFIDENTIALITY

High

INTEGRITY

None

AVAILABILITY

None

EXPLOIT CODE MATURITY

Proof-of-Concept

REMEDIATION LEVEL

Official Fix

REPORT CONFIDENCE

Confirmed

Temporal Score: 5.0

EPSS Score

No EPSS score available for this CVE.

View on FIRST.org

Affected Products

5 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows 7 for 32-bit Systems Service Pack 1 4056894 (Monthly Rollup) 4056897 (Security Only) Important Information Disclosure 4054518 Base: 5.5 Temporal: 5.0 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C Yes None Windows 7 for x64-based Systems Service Pack 1 4056894 (Monthly Rollup) 4056897 (Security Only) Important Information Disclosure 4054518 Base: 5.5 Temporal: 5.0 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C Yes None Windows Server 2008 for 32-bit Systems Service Pack 2	`4056944 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)	`4056944 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2008 for Itanium-Based Systems Service Pack 2	`4056944 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2008 for x64-based Systems Service Pack 2	`4056944 (Security Update)`	Important	Information Disclosure	Yes
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)	`4056944 (Security Update)`	Important	Information Disclosure	Yes

Patches

1 patch

Article	Type	Restart
`4056944`	Security Update	Yes

Known Exploits

No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.

Acknowledgments

Seonung Jang( @seonunghardt

References

MSRC Advisory MITRE NVD