Microsoft Windows Vista SP2 up to Server 2016 PFB Font win32k.sys data processing

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Microsoft Windows. Affected is an unknown function in the library win32k.sys of the component PFB Font Handler. Executing a manipulation can lead to data processing. This vulnerability is handled as CVE-2016-7259. The attack can be executed remotely. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Windows (Operating System). This vulnerability affects an unknown code block in the library win32k.sys of the component PFB Font Handler. The manipulation with an unknown input leads to a data processing vulnerability. The CWE definition for the vulnerability is CWE-19. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 12/13/2016 by Behzad Najjarpour Jabbari with Secunia as MS16-151 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. The public release was coordinated with the vendor. This vulnerability was named CVE-2016-7259 since 09/09/2016. The exploitation appears to be easy. The attack can be initiated remotely. The requirement for exploitation is a single authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 95768 (MS16-151: Security Update for Windows Kernel-Mode Drivers (3205651)), 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 91314 (Microsoft Security Update for Windows Kernel-Mode Drivers (MS16-151)).

Applying the patch MS16-151 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 Tenable (95768), SecurityFocus (BID 94771†) and Secunia (SA73777†). Additional details are provided at seclists.org. Entries connected to this vulnerability are available at VDB-94457 and VDB-95559. Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Data processing
CWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 95768
Nessus Name: MS16-151: Security Update for Windows Kernel-Mode Drivers (3205651)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 100448
OpenVAS Name: Microsoft Windows Kernel Mode Drivers Multiple Vulnerabilities (3205651)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS16-151

Timelineinfo

09/09/2016 🔍
12/01/2016 +83 days 🔍
12/06/2016 +5 days 🔍
12/13/2016 +7 days 🔍
12/13/2016 +0 days 🔍
12/13/2016 +0 days 🔍
12/14/2016 +1 days 🔍
12/20/2016 +6 days 🔍
10/08/2022 +2118 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS16-151
Researcher: Behzad Najjarpour Jabbari
Organization: Secunia
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2016-7259 (🔍)
GCVE (CVE): GCVE-0-2016-7259
GCVE (VulDB): GCVE-100-94456

OVAL: 🔍

SecurityFocus: 94771 - Microsoft Windows Graphics Component CVE-2016-7259 Local Privilege Escalation Vulnerability
Secunia: 73777
SecurityTracker: 1037452

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

Entryinfo

Created: 12/14/2016 14:30
Updated: 10/08/2022 13:29
Changes: 12/14/2016 14:30 (78), 08/19/2018 20:06 (11), 10/08/2022 13:24 (5), 10/08/2022 13:29 (1)
Complete: 🔍
Cache ID: 216:ACF:103

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