Microsoft Windows up to Vista Font Mapper win32k.sys input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows up to Vista. It has been rated as problematic. The impacted element is an unknown function of the file win32k.sys of the component Font Mapper. Performing a manipulation results in input validation. This vulnerability was named CVE-2015-0060. The attack may be initiated remotely. In addition, an exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Microsoft Windows up to Vista (Operating System). It has been classified as critical. This affects an unknown function of the file win32k.sys of the component Font Mapper. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability.

The weakness was presented 02/10/2015 by Cris Neckar with Divergent Security as MS15-010 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. This vulnerability is uniquely identified as CVE-2015-0060 since 11/18/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 81263 (MS15-010: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Remote Code Execution (3036220)), 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 91016 (Microsoft Windows Kernel-Mode Driver Remote Code Execution Vulnerability (MS15-010)).

Applying the patch MS15-010 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.

The vulnerability is also documented in the databases at X-Force (100434), Exploit-DB (37098), Tenable (81263), SecurityFocus (BID 72472†) and SecurityTracker (ID 1031718†). Further details are available at isc.sans.edu. See VDB-69108, VDB-69109, VDB-69110 and VDB-69111 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

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

CVSSv2info

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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

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

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Nessus ID: 81263
Nessus Name: MS15-010: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Remote Code Execution (3036220)
Nessus File: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS15-010

Timelineinfo

11/18/2014 🔍
02/10/2015 +84 days 🔍
02/10/2015 +0 days 🔍
02/10/2015 +0 days 🔍
02/10/2015 +0 days 🔍
02/10/2015 +0 days 🔍
02/10/2015 +0 days 🔍
02/11/2015 +1 days 🔍
02/11/2015 +0 days 🔍
06/09/2025 +3771 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS15-010
Researcher: Cris Neckar
Organization: Divergent Security
Status: Confirmed

CVE: CVE-2015-0060 (🔍)
GCVE (CVE): GCVE-0-2015-0060
GCVE (VulDB): GCVE-100-69153

OVAL: 🔍

X-Force: 100434
SecurityFocus: 72472 - Microsoft Windows Kernel Font Driver CVE-2015-0060 Denial of Service Vulnerability
SecurityTracker: 1031718 - Windows Kernel-Mode Driver Flaws Let Remote Users Execute Arbitrary Code and Local Users Gain Elevated Privileges
Vulnerability Center: 48601 - [MS15-010] Microsoft Windows Local Host Privilege in win32k.sys Kernel Mode Driver - CVE-2015-0060, Medium

scip Labs: https://www.scip.ch/en/?labs.20140213
Misc.: 🔍
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Entryinfo

Created: 02/11/2015 12:09
Updated: 06/09/2025 06:56
Changes: 02/11/2015 12:09 (73), 04/07/2017 14:54 (10), 03/10/2022 09:46 (3), 03/10/2022 09:51 (1), 06/09/2025 06:56 (23)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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