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Ubuntu 22.04 LTS: USN-7025-1 Critical LibreOffice Digital Signature Issue

ubuntu
Calendar Grey September 19, 2024
Scroller Ubuntu
Protect your Ubuntu installations against the latest LibreOffice exploit that permits counterfeit signatures. Ensure to update promptly.
LibreOffice could accept fraudulent digital signatures.

Summary

LibreOffice could accept fraudulent digital signatures.

Software Description:

- libreoffice: Office productivity suite

Details:

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.

Topics%20covered

Topics Covered

security advisory critical software update digital signature ubuntu libreoffice

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS
   libreoffice                     1:7.3.7-0ubuntu0.22.04.7

Ubuntu 20.04 LTS
   libreoffice                     1:6.4.7-0ubuntu0.20.04.12

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7025-1

CVE-2024-7788

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7025-1

Topics%20covered

Topics Covered

security advisory critical software update digital signature ubuntu libreoffice

Package Information

https://launchpad.net/ubuntu/+source/libreoffice/1:6.4.7-0ubuntu0.20.04.12

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