Microsoft Office Font File memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability, which was classified as critical, was found in Microsoft Office (Office Suite Software) (version now known). This affects some unknown processing of the component Font File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 12/08/2015 by Steven Vittitoe with Google Project Zero as MS15-128 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. This vulnerability is uniquely identified as CVE-2015-6106 since 08/14/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 87250 (Microsoft Silverlight < 5.1.41105.0 Multiple Vulnerabilities (MS15-128) (Mac OS X)), 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 91140 (Microsoft Windows Graphics Component Remote Code Execution Vulnerability (MS15-128)).

Applying the patch MS15-128 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 22072.

The vulnerability is also documented in the vulnerability database at Tenable (87250). See 79493, 79494, 79495 and 79738 for similar entries.

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
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CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 87250
Nessus Name: Microsoft Silverlight < 5.1.41105.0 Multiple Vulnerabilities (MS15-128) (Mac OS X)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 19782
OpenVAS Name: Microsoft Windows Kernel-Mode Drivers Code Execution Vulnerability (3119075)
OpenVAS File: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS15-128
TippingPoint: 🔍
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Timelineinfo

08/14/2015 🔍
12/08/2015 +116 days 🔍
12/08/2015 +0 days 🔍
12/08/2015 +0 days 🔍
12/08/2015 +0 days 🔍
12/08/2015 +0 days 🔍
12/09/2015 +1 days 🔍
12/09/2015 +0 days 🔍
12/09/2015 +0 days 🔍
06/30/2022 +2395 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-128
Researcher: Steven Vittitoe
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2015-6106 (🔍)
SecurityTracker: 1034331
Vulnerability Center: 54864 - [MS15-128] Microsoft Windows, Office, Skype for Business and Lync Remote Code Execution via a Crafted File - CVE-2015-6106, Critical
SecurityFocus: 78497 - Microsoft Windows Graphics Component CVE-2015-6106 Memory Corruption Vulnerability

See also: 🔍

Entryinfo

Created: 12/09/2015 12:14
Updated: 06/30/2022 20:35
Changes: 12/09/2015 12:14 (65), 05/12/2018 09:16 (14), 06/30/2022 20:35 (4)
Complete: 🔍

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