Vulnerability Monitor

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CVE-2021-25631

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.

Published

2021-05-03T12:15:07.417

Last Modified

2024-11-21T05:55:10.970

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Secondary
CWE-184
Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	libreoffice	libreoffice	< 7.0.5	Yes
Application	libreoffice	libreoffice	< 7.1.2	Yes

References

https://positive.security/blog/url-open-rce#open-libreoffice Exploit, Third Party Advisory ([email protected])
https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/ Vendor Advisory ([email protected])
https://positive.security/blog/url-open-rce#open-libreoffice Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)