Microsoft Office 2007 SP3/2010 SP2 Office Graphics Library Font input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

A vulnerability was found in Microsoft Office 2007 SP3/2010 SP2 (Office Suite Software) and classified as critical. Affected by this issue is an unknown function of the component Office Graphics Library 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 confidentiality, integrity, and availability. CVE summarizes:

Microsoft Office 2007 SP3 and 2010 SP2, Live Meeting 2007 Console, Lync 2010, Lync 2010 Attendee, Lync 2013 SP1, and Lync Basic 2013 SP1 allow remote attackers to execute arbitrary code via a crafted Office Graphics Library (OGL) font, aka "Microsoft Office Graphics Component Remote Code Execution Vulnerability."

The weakness was disclosed 08/15/2015 (Website). The advisory is shared for download at technet.microsoft.com. This vulnerability is handled as CVE-2015-2431 since 03/19/2015. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Google Security Research and been published 6 days after the advisory. The exploit is available at exploit-db.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 85348 (MS15-080 : Vulnerabilities in Microsoft Graphics Component Could Allow Remote Code Execution (3078662)), 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 91085 (Microsoft Graphics Component Remote Code Execution Vulnerability (MS15-080)).

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at Tenable (85348) and Exploit-DB (37911). The entries 77015, 77016, 77017 and 77018 are pretty similar.

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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: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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Exploitinginfo

Class: Input validation
CWE: CWE-20
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Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Google Security Research
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Nessus ID: 85348
Nessus Name: MS15-080 : Vulnerabilities in Microsoft Graphics Component Could Allow Remote Code Execution (3078662)
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OpenVAS ID: 800623
OpenVAS Name: Microsoft Lync Remote Code Execution Vulnerabilities (3078662)
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Countermeasuresinfo

Recommended: Patch
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Timelineinfo

03/19/2015 🔍
08/14/2015 +148 days 🔍
08/15/2015 +1 days 🔍
08/15/2015 +0 days 🔍
08/21/2015 +6 days 🔍
08/21/2015 +0 days 🔍
06/12/2022 +2487 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: technet.microsoft.com
Status: Confirmed

CVE: CVE-2015-2431 (🔍)
SecurityTracker: 1033238
SecurityFocus: 76203

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/15/2015 21:15
Updated: 06/12/2022 11:20
Changes: 08/15/2015 21:15 (55), 10/09/2017 09:50 (12), 06/12/2022 11:12 (3), 06/12/2022 11:20 (2)
Complete: 🔍

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