Vulnerability Name:

CVE-2018-8429 (CCN-149344)

Assigned:2018-09-11
Published:2018-09-11
Updated:2018-11-01
Summary:An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Excel Viewer, Microsoft Office, Microsoft Excel.
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
5.5 Medium (CCN 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 (CCN 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
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
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2018-8429

Source: BID
Type: Third Party Advisory, VDB Entry
105219

Source: CCN
Type: BID-105219
Microsoft Excel CVE-2018-8429 Information Disclosure Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1041630

Source: XF
Type: UNKNOWN
ms-excel-cve20188429-info-disc(149344)

Source: CCN
Type: Microsoft Security TechCenter - September 2018
Microsoft Excel Information Disclosure Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8429

Source: CCN
Type: ZDI-18-1056
Microsoft Excel XLS File Use-After-Free Information Disclosure Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:excel:2010:sp2:*:*:*:*:*:*
  • OR cpe:/a:microsoft:excel:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:excel:2013:sp1:*:*:rt:*:*:*
  • OR cpe:/a:microsoft:excel:2016:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:excel_viewer:2007:sp3:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office:2016:*:*:*:click-to-run:*:*:*
  • OR cpe:/a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_for_mac:2016:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:excel_viewer:*:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_compatibility_pack:*:sp3:*:*:*:*:*:*
  • OR cpe:/a:microsoft:excel:2010:sp2:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:excel:2010:sp2:*:*:*:*:x32:*
  • OR cpe:/a:microsoft:excel:2013:sp1:*:*:*:*:x32:*
  • OR cpe:/a:microsoft:excel:2013:sp1:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:excel:2013:sp1:*:*:rt:*:*:*
  • OR cpe:/a:microsoft:excel:2016:*:*:*:*:*:x32:*
  • OR cpe:/a:microsoft:excel:2016:*:*:*:*:*:x64:*
  • OR cpe:/a:microsoft:office:2016:*:*:*:*:mac:*:*
  • 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 2010 sp2
    microsoft excel 2013 sp1
    microsoft excel 2013 sp1
    microsoft excel 2016
    microsoft excel viewer 2007 sp3
    microsoft office 2016
    microsoft office compatibility pack - sp3
    microsoft office for mac 2016
    microsoft excel viewer *
    microsoft office compatibility pack * sp3
    microsoft excel 2010 sp2
    microsoft excel 2010 sp2
    microsoft excel 2013 sp1
    microsoft excel 2013 sp1
    microsoft excel 2013 sp1
    microsoft excel 2016
    microsoft excel 2016
    microsoft office 2016
    microsoft office 2016
    microsoft office 2016