USN-5694-1

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USN-5694-1

Summary: libreoffice vulnerabilities

Details: It was discovered that LibreOffice incorrectly handled links using the Office URI Schemes. If a user were tricked into opening a specially crafted document, a remote attacker could use this issue to execute arbitrary scripts. (CVE-2022-3140) Thomas Florian discovered that LibreOffice incorrectly handled crashes when an encrypted document is open. If the document is recovered upon restarting LibreOffice, subsequent saves of the document were unencrypted. This issue only affected Ubuntu 18.04 LTS. (CVE-2020-12801) Jens Müller discovered that LibreOffice incorrectly handled certain documents containing forms. If a user were tricked into opening a specially crafted document, a remote attacker could overwrite arbitrary files when the form was submitted. This issue only affected Ubuntu 18.04 LTS. (CVE-2020-12803) It was discovered that LibreOffice incorrectly validated macro signatures. If a user were tricked into opening a specially crafted document, a remote attacker could possibly use this issue to execute arbitrary macros. This issue only affected Ubuntu 18.04 LTS. (CVE-2022-26305) It was discovered that Libreoffice incorrectly handled encrypting the master key provided by the user for storing passwords for web connections. A local attacker could possibly use this issue to obtain access to passwords stored in the user’s configuration data. This issue only affected Ubuntu 18.04 LTS. (CVE-2022-26306, CVE-2022-26307)

References: https://ubuntu.com/security/notices/USN-5694-1, https://ubuntu.com/security/CVE-2020-12801, https://ubuntu.com/security/CVE-2020-12803, https://ubuntu.com/security/CVE-2022-3140, https://ubuntu.com/security/CVE-2022-26305, https://ubuntu.com/security/CVE-2022-26306, https://ubuntu.com/security/CVE-2022-26307