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Vulnerability Details :

CVE-2021-25634

Summary
Assigner-Document Fdn.
Assigner Org ID-4fe7d05b-1353-44cc-8b7a-1e416936dff2
Published At-12 Oct, 2021 | 13:33
Updated At-17 Sep, 2024 | 00:46
Rejected At-
Credits

Timestamp Manipulation with Signature Wrapping

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Document Fdn.
Assigner Org ID:4fe7d05b-1353-44cc-8b7a-1e416936dff2
Published At:12 Oct, 2021 | 13:33
Updated At:17 Sep, 2024 | 00:46
Rejected At:
▼CVE Numbering Authority (CNA)
Timestamp Manipulation with Signature Wrapping

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.

Affected Products
Vendor
The Document Foundation
Product
LibreOffice
Versions
Affected
  • From 7-0 before 7.0.6 (custom)
  • From 7-1 before 7.1.2 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-295CWE-295 Improper Certificate Validation
Type: CWE
CWE ID: CWE-295
Description: CWE-295 Improper Certificate Validation
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Update to 7.0.6 or 7.1.2 or 7.2.0

Configurations

Workarounds

Exploits

Credits

NDS of Ruhr University Bochum
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25634
x_refsource_MISC
https://www.debian.org/security/2021/dsa-4988
vendor-advisory
x_refsource_DEBIAN
Hyperlink: https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25634
Resource:
x_refsource_MISC
Hyperlink: https://www.debian.org/security/2021/dsa-4988
Resource:
vendor-advisory
x_refsource_DEBIAN
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25634
x_refsource_MISC
x_transferred
https://www.debian.org/security/2021/dsa-4988
vendor-advisory
x_refsource_DEBIAN
x_transferred
Hyperlink: https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25634
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.debian.org/security/2021/dsa-4988
Resource:
vendor-advisory
x_refsource_DEBIAN
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@documentfoundation.org
Published At:12 Oct, 2021 | 14:15
Updated At:18 Oct, 2021 | 19:29

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Primary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Type: Primary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:N
CPE Matches

libreoffice
libreoffice
>>libreoffice>>Versions from 7.0.0(inclusive) to 7.0.6(exclusive)
cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*
libreoffice
libreoffice
>>libreoffice>>Versions from 7.1.0(inclusive) to 7.1.2(exclusive)
cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-295Primarynvd@nist.gov
CWE-295Secondarysecurity@documentfoundation.org
CWE ID: CWE-295
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-295
Type: Secondary
Source: security@documentfoundation.org
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://www.debian.org/security/2021/dsa-4988security@documentfoundation.org
Third Party Advisory
https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25634security@documentfoundation.org
Vendor Advisory
Hyperlink: https://www.debian.org/security/2021/dsa-4988
Source: security@documentfoundation.org
Resource:
Third Party Advisory
Hyperlink: https://www.libreoffice.org/about-us/security/advisories/CVE-2021-25634
Source: security@documentfoundation.org
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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