CVE-2021-25631 denylist of executable filename extensions possible to bypass under windows

2021-04-1500:00:00

CWE-184

Document Fdn.

www.cve.org

8.8 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

64.9%

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.

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"
      }
    ]
  }
]