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[email protected]CVE-2021-25631

HistoryMay 03, 2021 - 12:15 p.m.

CVE-2021-25631

2021-05-0312:15:07

CWE-184

[email protected]

web.nvd.nist.gov

1272

cve-2021-25631

libreoffice

denylist

circumvention

shellexecute

security issue

nvd

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.5 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

65.0%

JSON

In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn’t match the denylist but results in ShellExecute attempting to launch an executable type.

Affected configurations

NVD

Node

libreofficelibreofficeRange7.0.0–7.0.5

libreofficelibreofficeRange7.1.0–7.1.2

CPENameOperatorVersion
libreoffice:libreofficelibreofficelt7.0.5
libreoffice:libreofficelibreofficelt7.1.2

CPE	Name	Operator	Version
libreoffice:libreoffice	libreoffice	lt	7.0.5
libreoffice:libreoffice	libreoffice	lt	7.1.2

CNA Affected

[
  {
    "platforms": [
      "Windows"
    ],
    "product": "LibreOffice",
    "vendor": "The Document Foundation",
    "versions": [
      {
        "lessThan": "7.1.2",
        "status": "affected",
        "version": "7.1",
        "versionType": "custom"
      },
      {
        "lessThan": "7.0.5",
        "status": "affected",
        "version": "7.0",
        "versionType": "custom"
      }
    ]
  }
]