Vulnerability Name:

CVE-2017-11877

Assigned:2017-07-31
Published:2017-11-14
Updated:2017-11-30
Summary:Microsoft Excel 2007 Service Pack 3, Microsoft Excel 2010 Service Pack 2, Microsoft Excel 2013 Service Pack 1, Microsoft Excel 2013 RT Service Pack 1, Microsoft Excel 2016, Microsoft Office Compatibility Pack Service Pack 3, Microsoft Excel Viewer 2007 Service Pack 3, and Microsoft Excel 2016 for Mac allow a security feature bypass by not enforcing macro settings on an Excel document, aka "Microsoft Excel Security Feature Bypass Vulnerability".
CVSS v3 Severity:5.5 Medium (CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
4.8 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/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): None
Integrity (I): High
Availibility (A): None
4.4 Medium (CCN CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N)
3.9 Low (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/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): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
4.3 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-254
References:Source: BID
Type: VENDOR_ADVISORY
101747

Source: SECTRACK
Type: VENDOR_ADVISORY
1039783

Source: XF
Type: UNKNOWN
ms-excel-cve201711877-sec-bypass(134256)

Source: CONFIRM
Type: VENDOR_ADVISORY
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11877

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:excel:2013:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:excel:2016:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:excel:2016::~~~mac_os_x~~:*:*:*:*:*
  • OR cpe:/a:microsoft:excel_2007:-:sp3:*:*:*:*:*:*
  • OR cpe:/a:microsoft:excel_2010::sp2:*:*:*:*:*:*
  • OR cpe:/a:microsoft:excel_2013_rt:-:sp1:*:*:*:*:*:*
  • OR cpe:/a:microsoft:excel_viewer:2007:sp3:*:*:*:*:*:*
  • OR cpe:/a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:microsoft:excel_viewer:-:sp2:*:*:*:*:*:*

  • Configuration CCN 2:
  • cpe:/a:microsoft:excel:2007:sp3:*:*:*:*:*:*

  • Denotes that component is vulnerable
    BACK
    microsoft excel 2013 sp1
    microsoft excel 2016
    microsoft excel 2016
    microsoft excel_2007 - sp3
    microsoft excel_2010 sp2
    microsoft excel_2013_rt - sp1
    microsoft excel_viewer 2007 sp3
    microsoft office_compatibility_pack - sp3