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CVE-2022-26305

Status Candidate

Overview

An Improper Certificate Validation vulnerability in LibreOffice existed where determining if a macro was signed by a trusted author was done by only matching the serial number and issuer string of the used certificate with that of a trusted certificate. This is not sufficient to verify that the macro was actually signed with the certificate. An adversary could therefore create an arbitrary certificate with a serial number and an issuer string identical to a trusted certificate which LibreOffice would present as belonging to the trusted author, potentially leading to the user to execute arbitrary code contained in macros improperly trusted. This issue affects: The Document Foundation LibreOffice 7.2 versions prior to 7.2.7; 7.3 versions prior to 7.3.1.

Related Files

Red Hat Security Advisory 2023-0304-01
Posted Jan 24, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0304-01 - LibreOffice is an open source, community-developed office productivity suite. It includes key desktop applications, such as a word processor, a spreadsheet, a presentation manager, a formula editor, and a drawing program. LibreOffice replaces OpenOffice and provides a similar but enhanced and extended office suite. Issues addressed include a script execution vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2022-26305, CVE-2022-26306, CVE-2022-26307, CVE-2022-3140
SHA-256 | ae07b9c65ac50778e5dceb1ff7c867f4881dfd1443b0a6315ad06c909cf58284
Red Hat Security Advisory 2023-0089-01
Posted Jan 12, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0089-01 - LibreOffice is an open source, community-developed office productivity suite. It includes key desktop applications, such as a word processor, a spreadsheet, a presentation manager, a formula editor, and a drawing program. LibreOffice replaces OpenOffice and provides a similar but enhanced and extended office suite. Issues addressed include a script execution vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2022-26305, CVE-2022-26306, CVE-2022-26307, CVE-2022-3140
SHA-256 | 57c798cbfcb79afd7af8f4f8a3cddaee87df114905924c2d3e53f07a7cbe44b1
Ubuntu Security Notice USN-5694-1
Posted Oct 21, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5694-1 - 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. 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.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-12801, CVE-2020-12803, CVE-2022-26305, CVE-2022-26307, CVE-2022-3140
SHA-256 | 0bfca49ec96a675f9fdc98cc5d20bf84d67e53ae9d83294020076b54ccbe6033
Ubuntu Security Notice USN-5661-1
Posted Oct 7, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5661-1 - 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. 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.

tags | advisory, remote, web, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2022-26305, CVE-2022-26307
SHA-256 | 9f559e71aa63f71392cdc23725777737cb8bc0b583d63f1a91b196b67d27608a
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