// For flags

CVE-2024-7788

Signatures in "repair mode" should not be trusted

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

Improper Digital Signature Invalidation vulnerability in Zip Repair Mode of The Document Foundation LibreOffice allows Signature forgery vulnerability in LibreOfficeThis issue affects LibreOffice: from 24.2 before < 24.2.5.

It was discovered that LibreOffice would incorrectly handle digital signature verification after repairing a corrupted document. A remote attacker could possibly use this issue to forge valid signatures.

*Credits: Thanks to Thanks to Yufan You for finding and reporting this issue, Thanks to Michael Stahl of allotropia for providing a fix
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2024-08-14 CVE Reserved
  • 2024-09-17 CVE Published
  • 2024-09-26 EPSS Updated
  • 2024-10-12 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-347: Improper Verification of Cryptographic Signature
CAPEC
  • CAPEC-477: Signature Spoofing by Mixing Signed and Unsigned Content
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Libreoffice
Search vendor "Libreoffice"
 Libreoffice
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*-
Affected
The Document Foundation
Search vendor "The Document Foundation"
 Libreoffice
Search vendor "The Document Foundation" for product "Libreoffice"
*-
Affected
Thedocumentfoundation
Search vendor "Thedocumentfoundation"
 Libreoffice
Search vendor "Thedocumentfoundation" for product "Libreoffice"
*-
Affected
Canonical
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 Ubuntu Linux
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*-
Affected
Debian
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 Debian Linux
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*-
Affected
Redhat
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 Enterprise Linux
Search vendor "Redhat" for product "Enterprise Linux"
*-
Affected