National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

    Vulnerabilities Detail

CVE-2017-11826 Detail

Current Description

Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and Office Online Server allow remote code execution when the software fails to properly handle objects in memory.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 9.3 HIGH
Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/101219 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039541 Third Party Advisory VDB Entry
https://0patch.blogspot.com/2017/11/0patching-pretty-nasty-microsoft-word.html
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826 Patch Vendor Advisory
https://securingtomorrow.mcafee.com/mcafee-labs/analyzing-microsoft-office-zero-day-exploit-cve-2017-11826-memory-corruption-vulnerability/ Technical Description Third Party Advisory
https://www.tarlogic.com/en/blog/exploiting-word-cve-2017-11826/

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:microsoft:office:2010:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:microsoft:office_online_server:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:microsoft:office_web_apps:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:microsoft:office_web_apps:2010:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:microsoft:office_web_apps:2013:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:microsoft:sharepoint_enterprise_server:2010:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:microsoft:sharepoint_server:2010:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:microsoft:web_applications:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:microsoft:word:2007:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:microsoft:word:2010:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:microsoft:word:2013:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:microsoft:word_viewer:*:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-11826
NVD Published Date:
10/13/2017
NVD Last Modified:
12/11/2017