CVE-2021-25635

Description

An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document, with a signature untrusted by the target, then modify it to change the signature algorithm to an invalid (or unknown to LibreOffice) algorithm and LibreOffice would incorrectly present such a signature with an unknown algorithm as a valid signature issued by a trusted person This issue affects LibreOffice: from 7.0 before 7.0.5, from 7.1 before 7.1.1.

PUBLISHED Reserved 2021-01-19 | Published 2025-03-21 | Updated 2025-03-21 | Assigner Document Fdn.

Problem types

CWE-295 Improper Certificate Validation

Product status

Credits

NDS of Ruhr University Bochum finder

References

www.libreoffice.org/...s/security/advisories/cve-2021-25635/

cve.org (CVE-2021-25635)

nvd.nist.gov (CVE-2021-25635)

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