Microsoft Excel/SharePoint Server Object calculatedColumnFormula use after free

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

Summaryinfo

A vulnerability described as critical has been identified in Microsoft Excel and SharePoint Server. The affected element is the function calculatedColumnFormula of the component Object Handler. Executing a manipulation can lead to use after free. This vulnerability is registered as CVE-2015-2555. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Microsoft Excel and SharePoint Server (Spreadsheet Software). It has been declared as critical. This vulnerability affects the function calculatedColumnFormula of the component Object Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in Microsoft Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Excel for Mac 2011, Excel 2016 for Mac, and Excel Services on SharePoint Server 2010 SP2 and 2013 SP1 allows remote attackers to execute arbitrary code via a crafted calculatedColumnFormula object in an Office document, aka "Microsoft Office Memory Corruption Vulnerability."

The weakness was published 10/13/2015 with Zero Day Initiative as MS15-110 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability was named CVE-2015-2555 since 03/19/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 86382 (MS15-110: Security Updates for Microsoft Office to Address Remote Code Execution (3096440) (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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110260 (Microsoft Office Remote Code Execution Vulnerabilities (MS15-110)).

Applying the patch MS15-110 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 21289.

The vulnerability is also documented in the databases at Tenable (86382), SecurityFocus (BID 76996†), SecurityTracker (ID 1033803†) and Vulnerability Center (SBV-53397†). Additional details are provided at trustwave.com. Similar entries are available at VDB-78362, VDB-78363, VDB-78364 and VDB-78365. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Microsoft Excel 2010 SP2/2011/2013 SP1/2013 RT SP1/2016
  • Microsoft SharePoint Server 2010 SP2/2013 SP1

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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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: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍

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Nessus ID: 86382
Nessus Name: MS15-110: Security Updates for Microsoft Office to Address Remote Code Execution (3096440) (Mac OS X)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Office Multiple Remote Code Execution Vulnerabilities-3096440 (Mac OS X)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: MS15-110
TippingPoint: 🔍
Fortigate IPS: 🔍

Timelineinfo

03/19/2015 🔍
10/13/2015 +208 days 🔍
10/13/2015 +0 days 🔍
10/13/2015 +0 days 🔍
10/13/2015 +0 days 🔍
10/13/2015 +0 days 🔍
10/13/2015 +0 days 🔍
10/14/2015 +1 days 🔍
10/14/2015 +0 days 🔍
06/20/2022 +2441 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-110
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2015-2555 (🔍)
GCVE (CVE): GCVE-0-2015-2555
GCVE (VulDB): GCVE-100-78370
SecurityFocus: 76996 - Microsoft Office CVE-2015-2555 Memory Corruption Vulnerability
SecurityTracker: 1033803
Vulnerability Center: 53397 - [MS15-110] Microsoft Excel, Excel for MacOS X and Excel Services Remote Code Execution Vulnerability - CVE-2015-2555, Critical

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/14/2015 10:34
Updated: 06/20/2022 17:56
Changes: 10/14/2015 10:34 (70), 02/13/2018 07:23 (14), 06/20/2022 17:56 (3)
Complete: 🔍
Cache ID: 216::103

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