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[email protected]CVE-2019-1449

HistoryNov 12, 2019 - 7:15 p.m.

CVE-2019-1449

2019-11-1219:15:16

[email protected]

web.nvd.nist.gov

security

vulnerability

office click-to-run

privilege escalation

system

microsoft office

nvd

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.3 High

AI Score

Confidence

High

0.006 Low

EPSS

Percentile

78.8%

JSON

A security feature bypass vulnerability exists in the way that Office Click-to-Run (C2R) components handle a specially crafted file, which could lead to a standard user, any AppContainer sandbox, and Office LPAC Protected View to escalate privileges to SYSTEM.To exploit this bug, an attacker would have to run a specially crafted file, aka ‘Microsoft Office ClickToRun Security Feature Bypass Vulnerability’.

Affected configurations

Vulners

NVD

Node

microsoftoffice

microsoftoffice_365_proplus

VendorProductVersionCPE
microsoftoffice*cpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoftoffice*cpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoftoffice_365_proplus*cpe:2.3:a:microsoft:office_365_proplus:*:*:*:*:*:*:*:*
microsoftoffice_365_proplus*cpe:2.3:a:microsoft:office_365_proplus:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
microsoft	office	*	cpe:2.3:a:microsoft:office::::::::
microsoft	office	*	cpe:2.3:a:microsoft:office::::::::
microsoft	office_365_proplus	*	cpe:2.3:a:microsoft:office_365_proplus::::::::
microsoft	office_365_proplus	*	cpe:2.3:a:microsoft:office_365_proplus::::::::

CNA Affected

[
  {
    "product": "Microsoft Office",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "2019 for 32-bit editions"
      },
      {
        "status": "affected",
        "version": "2019 for 64-bit editions"
      }
    ]
  },
  {
    "product": "Office 365 ProPlus",
    "vendor": "Microsoft",
    "versions": [
      {
        "status": "affected",
        "version": "32-bit Systems"
      },
      {
        "status": "affected",
        "version": "64-bit Systems"
      }
    ]
  }
]