Vulnerability Name:

CVE-2018-8378 (CCN-147764)

Assigned:2018-08-14
Published:2018-08-14
Updated:2020-08-24
Summary:An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory, aka "Microsoft Office Information Disclosure Vulnerability." This affects Word, Microsoft SharePoint Server, Microsoft Office Word Viewer, Microsoft Excel Viewer, Microsoft SharePoint, Microsoft Office.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/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): None
Availibility (A): None
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-908
CWE-125
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2018-8378

Source: BID
Type: Third Party Advisory, VDB Entry
104996

Source: CCN
Type: BID-104996
Microsoft Office CVE-2018-8378 Information Disclosure Vulnerability

Source: XF
Type: UNKNOWN
ms-office-cve20188378-info-disc(147764)

Source: CCN
Type: Microsoft Security TechCenter - August 2018
Microsoft Office Information Disclosure Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8378

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:excel_viewer:2007:sp3:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2010:sp2:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2013:sp1:*:*:rt:*:*:*
  • OR cpe:/a:microsoft:office:2016:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2016:*:*:*:click-to-run:*:*:*
  • OR cpe:/a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_web_apps:2010:sp2:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_word_viewer:-:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:sharepoint_enterprise_server_2013:-:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:sharepoint_enterprise_server_2016:-:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:sharepoint_server:2013:sp1:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/a:microsoft:word_automation_services:-:*:*:*:*:*:*:*
  • AND
  • cpe:/a:microsoft:sharepoint_server:2010:sp2:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:excel_viewer:*:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:word_viewer:*:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2010:sp2:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:office:2010:sp2:x32:*:*:*:*:*
  • OR cpe:/a:microsoft:office_web_apps:2010:sp2:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_web_apps:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2013:sp1:x32:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2013:sp1:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:office:2013:sp1:*:*:rt:*:*:*
  • OR cpe:/a:microsoft:sharepoint_server:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2016:*:x32:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2016:*:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:word_automation_services:-:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2016:*:*:*:click-to-run:*:x32:*
  • OR cpe:/a:microsoft:office:2016:*:*:*:click-to-run:*:x64:*

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