Vulnerability Name:

CVE-2017-11826 (CCN-133138)

Assigned:2017-10-10
Published:2017-10-10
Updated:2017-12-12
Summary: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.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-11826

Source: BID
Type: Third Party Advisory, VDB Entry
101219

Source: CCN
Type: BID-101219
Microsoft Office CVE-2017-11826 Memory Corruption Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039541

Source: MISC
Type: UNKNOWN
https://0patch.blogspot.com/2017/11/0patching-pretty-nasty-microsoft-word.html

Source: XF
Type: UNKNOWN
ms-office-cve201711826-code-exec(133138)

Source: CCN
Type: Microsoft Security TechCenter - October 2017
Microsoft Office Memory Corruption Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11826

Source: MISC
Type: Technical Description, Third Party Advisory
https://securingtomorrow.mcafee.com/mcafee-labs/analyzing-microsoft-office-zero-day-exploit-cve-2017-11826-memory-corruption-vulnerability/

Source: CCN
Type: CYBERSECURITY & INFRASTRUCTURE SECURITY AGENCY
KNOWN EXPLOITED VULNERABILITIES CATALOG

Source: MISC
Type: UNKNOWN
https://www.tarlogic.com/en/blog/exploiting-word-cve-2017-11826/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:office:2010:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_online_server:*:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_web_apps:*:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_web_apps:2010:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_web_apps:2013:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:sharepoint_enterprise_server:2010:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:sharepoint_server:2010:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:web_applications:*:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:word:2007:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:word:2010:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:word:2013:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:word:2016:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:word_viewer:*:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:microsoft:word_viewer:-:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_compatibility_pack::sp3:*:*:*:*:*:*
  • OR cpe:/a:microsoft:word:2007:sp3:*:*:*:*:*:*
  • OR cpe:/a:microsoft:word:2010:sp2:*:*:*:*:x32:*
  • OR cpe:/a:microsoft:word:2010:sp2:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:office_web_apps:2010:sp2:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:word:2013:sp1:*:*:*:*:x32:*
  • OR cpe:/a:microsoft:word:2013:sp1:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:word:2013:sp1:~~rt~~~:*:*:*:*:*
  • OR cpe:/a:microsoft:word:2016:*:*:*:*:*:x32:*
  • OR cpe:/a:microsoft:word:2016:*:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:sharepoint_enterprise_server:2016:-:*:*:*:*:*:*
  • OR cpe:/a:microsoft:word_automation_services:-:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_online_server:2016:*:*:*:*:*:*:*
  • AND
  • cpe:/a:microsoft:sharepoint_server:2010:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:sharepoint_server:2013:sp1:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    microsoft office 2010
    microsoft office online server *
    microsoft office web apps *
    microsoft office web apps 2010
    microsoft office web apps 2013
    microsoft sharepoint enterprise server 2010
    microsoft sharepoint server 2010
    microsoft web applications *
    microsoft word 2007
    microsoft word 2010
    microsoft word 2013
    microsoft word 2016
    microsoft word viewer *
    microsoft word viewer -
    microsoft office compatibility pack sp3
    microsoft word 2007 sp3
    microsoft word 2010 sp2
    microsoft word 2010 sp2
    microsoft office web apps 2010 sp2
    microsoft office web apps 2013 sp1
    microsoft word 2013 sp1
    microsoft word 2013 sp1
    microsoft word 2013 sp1
    microsoft word 2016
    microsoft word 2016
    microsoft sharepoint enterprise server 2016 -
    microsoft word automation services -
    microsoft office online server 2016
    microsoft sharepoint server 2010 sp1
    microsoft sharepoint server 2013 sp1