CVE-2021-25631

Severity

88%

Complexity

27%

Confidentiality

98%

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.

CVSS 3.1 Base Score 8.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 9.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C).

Overview

First reported 3 years ago

2021-05-03 12:15:00

Last updated 3 years ago

2021-05-12 18:58:00

Affected Software

LibreOffice LibreOffice

References

https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/

https://positive.security/blog/url-open-rce#open-libreoffice

https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/

Vendor Advisory

https://positive.security/blog/url-open-rce#open-libreoffice

Exploit, Third Party Advisory

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