Microsoft Windows up to Server 2016 GDI information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Microsoft Windows. This affects an unknown part of the component GDI. The manipulation results in information disclosure. This vulnerability is reported as CVE-2017-8676. The attack requires a local approach. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Microsoft Windows (Operating System). Affected is an unknown code block of the component GDI. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

The Windows Graphics Device Interface (GDI) in Microsoft Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, 1607, 1703, and Server 2016; Office 2007 SP3; Office 2010 SP2; Word Viewer; Office for Mac 2011 and 2016; Skype for Business 2016; Lync 2013 SP1; Lync 2010; Lync 2010 Attendee; and Live Meeting 2007 Add-in and Console allows an authenticated attacker to retrieve information from a targeted system via a specially crafted application, aka "Windows GDI+ Information Disclosure Vulnerability."

The bug was discovered 09/12/2017. The weakness was disclosed 09/12/2017 with Zero Day Initiative as KB4038792 as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability is traded as CVE-2017-8676 since 05/03/2017. Local access is required to approach this attack. The requirement for exploitation is a authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project. The advisory points out:

An information disclosure vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in memory, allowing an attacker to retrieve information from a targeted system. By itself, the information disclosure does not allow arbitrary code execution; however, it could allow arbitrary code to be run if the attacker uses it in combination with another vulnerability.

The vulnerability scanner Nessus provides a plugin with the ID 103126 (Security Update for Microsoft Office (September 2017) (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91408 (Microsoft Windows Security Update September 2017).

Applying the patch KB4038792 is able to eliminate this problem. The bugfix is ready for download at catalog.update.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (103126) and SecurityFocus (BID 100755†). The entries VDB-89035, VDB-106454, VDB-106470 and VDB-106472 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 3.3
Vendor Vector (Microsoft): 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103126
Nessus Name: Security Update for Microsoft Office (September 2017) (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800623
OpenVAS Name: Microsoft Lync Attendee Multiple Remote Code Execution Vulnerabilities (KB4025866 and KB4025867)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: KB4038792

Timelineinfo

05/03/2017 🔍
09/12/2017 +132 days 🔍
09/12/2017 +0 days 🔍
09/12/2017 +0 days 🔍
09/12/2017 +0 days 🔍
09/12/2017 +0 days 🔍
09/12/2017 +0 days 🔍
09/13/2017 +1 days 🔍
01/12/2021 +1217 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: KB4038792
Researcher: bear13oy
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-8676 (🔍)
GCVE (CVE): GCVE-0-2017-8676
GCVE (VulDB): GCVE-100-106482

OVAL: 🔍

SecurityFocus: 100755 - Microsoft Windows Graphics Device Interface CVE-2017-8676 Local Information Disclosure Vulnerability
SecurityTracker: 1039333

scip Labs: https://www.scip.ch/en/?labs.20161215
See also: 🔍

Entryinfo

Created: 09/13/2017 11:26
Updated: 01/12/2021 06:25
Changes: 09/13/2017 11:26 (90), 06/06/2020 09:28 (6), 01/12/2021 06:22 (2), 01/12/2021 06:25 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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