Microsoft Windows up to Server 2016 GDI getCoverageTable Uniscribe Font information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows up to Server 2016. It has been declared as problematic. This vulnerability affects the function USP10!otlSinglePosLookup::getCoverageTable of the component GDI. The manipulation as part of Uniscribe Font results in information disclosure. This vulnerability is reported as CVE-2017-0287. The attack requires a local approach. Moreover, an exploit is present. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Windows up to Server 2016 (Operating System). Affected is the function USP10!otlSinglePosLookup::getCoverageTable of the component GDI. The manipulation as part of a Uniscribe Font 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, and integrity.

The bug was discovered 06/13/2017. The weakness was disclosed 06/13/2017 by Mateusz Jurczyk with Google Project Zero as KB4022725 as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability is traded as CVE-2017-0287 since 09/09/2016. Local access is required to approach this attack. Required for exploitation is a authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1592 by the MITRE ATT&CK project. The advisory points out:

An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.

A public exploit has been developed by Google Security Research and been published 2 weeks after the advisory. The exploit is shared for download at github.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 100759 (KB4022714: Windows 10 Version 1511 June 2017 Cumulative Update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110299 (Microsoft Office and Microsoft Office Services and Web Apps Security Update June 2017).

Applying the patch KB4022725 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 Exploit-DB (42239), Tenable (100759) and SecurityFocus (BID 98922†). The entries VDB-102373, VDB-102374, VDB-102375 and VDB-102376 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: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.4
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 4.4
Vendor Vector (Microsoft): 🔍

NVD Base Score: 5.0
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Google Security Research
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100759
Nessus Name: KB4022714: Windows 10 Version 1511 June 2017 Cumulative Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802136
OpenVAS Name: Microsoft Windows Multiple Vulnerabilites (KB4022719)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: KB4022725

Timelineinfo

09/09/2016 🔍
06/13/2017 +277 days 🔍
06/13/2017 +0 days 🔍
06/13/2017 +0 days 🔍
06/13/2017 +0 days 🔍
06/13/2017 +0 days 🔍
06/14/2017 +1 days 🔍
06/14/2017 +0 days 🔍
06/23/2017 +9 days 🔍
06/23/2017 +0 days 🔍
12/30/2025 +3112 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: KB4022725
Researcher: Mateusz Jurczyk
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-0287 (🔍)
GCVE (CVE): GCVE-0-2017-0287
GCVE (VulDB): GCVE-100-102402

OVAL: 🔍

SecurityFocus: 98922 - Microsoft Windows Graphics Component CVE-2017-0287 Information Disclosure Vulnerability
SecurityTracker: 1038662

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

Entryinfo

Created: 06/14/2017 10:58
Updated: 12/30/2025 01:39
Changes: 06/14/2017 10:58 (99), 10/20/2019 09:54 (7), 12/28/2020 07:12 (3), 12/30/2025 01:39 (15)
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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