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.
                
            References
                    | Link | Resource | 
|---|---|
| https://www.debian.org/security/2021/dsa-4988 | Third Party Advisory | 
| https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25634 | Vendor Advisory | 
| https://www.debian.org/security/2021/dsa-4988 | Third Party Advisory | 
| https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25634 | Vendor Advisory | 
Configurations
                    History
                    21 Nov 2024, 05:55
| Type | Values Removed | Values Added | 
|---|---|---|
| References | () https://www.debian.org/security/2021/dsa-4988 - Third Party Advisory | |
| References | () https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25634 - Vendor Advisory | 
Information
                Published : 2021-10-12 14:15
Updated : 2024-11-21 05:55
NVD link : CVE-2021-25634
Mitre link : CVE-2021-25634
CVE.ORG link : CVE-2021-25634
JSON object : View
Products Affected
                libreoffice
- libreoffice
debian
- debian_linux
CWE
                
                    
                        
                        CWE-295
                        
            Improper Certificate Validation
