Timestamp Manipulation with Signature Wrapping (The Document Foundation LibreOffice)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.71 % · percentile 53 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Document Fdn.
- NVD status
- Modified
Description
LibreOffice supports digital signatures of ODF documents and macros within documents, presenting visual aids that no alteration of the document occurred since the last signing and that the signature is valid. An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to modify a digitally signed ODF document to insert an additional signing time timestamp which LibreOffice would incorrectly present as a valid signature signed at the bogus signing time. This issue affects: The Document Foundation LibreOffice 7-0 versions prior to 7.0.6; 7-1 versions prior to 7.1.2.
Weaknesses (CWE)
- CWE-295 — Improper Certificate Validation
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-12530
- GCVE · GCVE-0-2021-25634
Affected configurations (NVD CPE)
cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*≥ 7.0.0 < 7.0.6cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*≥ 7.1.0 < 7.1.2cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| The Document Foundation · LibreOffice | affected 7-0 < 7.0.6 ; affected 7-1 < 7.1.2 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |