CVE-2022-26305
Execution of Untrusted Macros Due to Improper Certificate ValidationAn Improper Certificate Validation vulnerability in LibreOffice existed where determining if a macro was signed by a trusted author was done by only matching the serial number and issuer string of the used certificate with that of a trusted certificate. This is not sufficient to verify that the macro was actually signed with the certificate. An adversary could therefore create an arbitrary certificate with a serial number and an issuer string identical to a trusted certificate which LibreOffice would present as belonging to the trusted author, potentially leading to the user to execute arbitrary code contained in macros improperly trusted. This issue affects: The Document Foundation LibreOffice 7.2 versions prior to 7.2.7; 7.3 versions prior to 7.3.1.
We have discovered 108 live websites that are affected by CVE-2022-26305.
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Affected Software
| |
|---|
| Product |  LibreOffice |
| Category | Content Management System |
| Vulnerable Versions | - from 7.2 before 7.2.7
- from 7.3 before 7.3.1
|
| Total Vulnerable Versions | 195 |
| Vulnerable Domains | 108 live websites (3.20% of LibreOffice install base) |
Common Weakness Enumeration
CWE-295 Improper Certificate Validation
United States
Germany
France
GB
Argentina
China
Hungary
Russia
Austria