Microsoft Windows Vista SP2 up to Server 2012 R2 OpenType Font input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Microsoft Windows Vista SP2 up to Server 2012 R2. This impacts an unknown function of the component OpenType Font Handler. Such manipulation leads to input validation. This vulnerability is documented as CVE-2016-0120. The attack can be executed remotely. Additionally, an exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows Vista SP2 up to Server 2012 R2 (Operating System) and classified as critical. Affected by this issue is an unknown part of the component OpenType Font Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability.

The weakness was released 03/08/2016 by Mateusz Jurczyk with Google Project Zero as MS16-026 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability is handled as CVE-2016-0120 since 12/04/2015. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 89749 (MS16-026: Security Update for Graphic Fonts to Address Remote Code Execution (3143148)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91182 (Microsoft Graphic Fonts Remote Code Execution Vulnerabilities (MS16-026)).

Applying the patch MS16-026 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 24811.

The vulnerability is also documented in the databases at Exploit-DB (39561), Tenable (89749), SecurityFocus (BID 84071†) and Vulnerability Center (SBV-57076†). zdnet.com is providing further details. Entries connected to this vulnerability are available at VDB-81265, VDB-81267, VDB-81268 and VDB-81269. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Nessus ID: 89749
Nessus Name: MS16-026: Security Update for Graphic Fonts to Address Remote Code Execution (3143148)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Graphic Fonts Multiple Vulnerabilities (3143148)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
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Patch: MS16-026
TippingPoint: 🔍

Timelineinfo

12/04/2015 🔍
03/08/2016 +95 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/08/2016 +0 days 🔍
03/09/2016 +1 days 🔍
03/09/2016 +0 days 🔍
03/09/2016 +0 days 🔍
03/20/2025 +3298 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-026
Researcher: Mateusz Jurczyk
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2016-0120 (🔍)
GCVE (CVE): GCVE-0-2016-0120
GCVE (VulDB): GCVE-100-81266
SecurityFocus: 84071 - Microsoft Windows OpenType Fonts CVE-2016-0120 Remote Denial of Service Vulnerability
SecurityTracker: 1035198
Vulnerability Center: 57076 - [MS16-026] Microsoft Windows Remote DoS in Windows Adobe Type Manager, High

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

Entryinfo

Created: 03/09/2016 11:00
Updated: 03/20/2025 20:55
Changes: 03/09/2016 11:00 (72), 04/07/2017 13:51 (20), 07/09/2022 18:34 (5), 07/09/2022 18:42 (1), 03/20/2025 20:55 (14)
Complete: 🔍
Cache ID: 216::103

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