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Unrated severityNVD Advisory· Published Jul 25, 2022· Updated Aug 3, 2024

Execution of Untrusted Macros Due to Improper Certificate Validation

CVE-2022-26305

Description

An 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.

Affected products

188

Patches

0

No patches discovered yet.

Vulnerability mechanics

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References

2

News mentions

0

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