Microsoft Word/Sharepoint Office File memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

A vulnerability classified as very critical has been found in Microsoft Word and Sharepoint (Word Processing Software). This affects some unknown processing of the component Office 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 summary by CVE is:

Microsoft Word Automation Services in SharePoint Server 2010 SP1 and SP2, Word Web App 2010 SP1 and SP2 in Office Web Apps 2010, Word 2003 SP3, Word 2007 SP3, Word 2010 SP1 and SP2, Office Compatibility Pack SP3, and Word Viewer allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Office document, aka "Word Memory Corruption Vulnerability."

The weakness was presented 09/10/2013 by Mateusz Jurczyk, Ben Hawkes and Ivan Fratric with Google Security Team as MS13-067 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. The public release was coordinated in cooperation with Microsoft. This vulnerability is uniquely identified as CVE-2013-3857 since 06/03/2013. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/24/2021).

The vulnerability scanner Nessus provides a plugin with the ID 69827 (MS13-067: Vulnerabilities in Microsoft SharePoint Server Could Allow Remote Code Execution (2834052)), 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 110216 (Microsoft Office Remote Code Execution Vulnerability (MS13-072)).

Applying the patch MS13-067 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 vulnerability database at Tenable (69827). Further details are available at krebsonsecurity.com. See 10188, 10189, 10190 and 10191 for similar entries.

Affected

  • Microsoft Word Viewer
  • Microsoft Office Compatibility Pack SP3
  • Microsoft Word 2003 SP3
  • Microsoft Word 2007 SP3
  • Microsoft Word 2010 SP1
  • Microsoft Microsoft SharePoint Server 2010 SP1
  • Microsoft Word Web App 2010  SP1

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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CVSSv2info

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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
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Nessus ID: 69827
Nessus Name: MS13-067: Vulnerabilities in Microsoft SharePoint Server Could Allow Remote Code Execution (2834052)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 903401
OpenVAS Name: Microsoft Office Remote Code Execution Vulnerabilities (2845537)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS13-067

Timelineinfo

06/03/2013 🔍
09/10/2013 +99 days 🔍
09/10/2013 +0 days 🔍
09/10/2013 +0 days 🔍
09/10/2013 +0 days 🔍
09/10/2013 +0 days 🔍
09/11/2013 +1 days 🔍
09/11/2013 +0 days 🔍
09/11/2013 +0 days 🔍
05/24/2021 +2812 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS13-067
Researcher: Mateusz Jurczyk, Ben Hawkes, Ivan Fratric
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-3857 (🔍)
OVAL: 🔍
IAVM: 🔍

Vulnerability Center: 41466 - [MS13-072, MS13-067] Microsoft Word Memory Corruption Vulnerability Allows Remote Code Execution - CVE-2013-3857, Critical
SecurityFocus: 62224 - Microsoft Word CVE-2013-3857 Remote Memory Corruption Vulnerability
Secunia: 54737 - Microsoft Office Word Multiple Vulnerabilities, Highly Critical
OSVDB: 97129

Misc.: 🔍
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Entryinfo

Created: 09/11/2013 14:50
Updated: 05/24/2021 14:17
Changes: 09/11/2013 14:50 (90), 05/11/2017 08:40 (2), 05/24/2021 14:17 (3)
Complete: 🔍

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