Headline
Ubuntu Security Notice USN-6546-2
Ubuntu Security Notice 6546-2 - USN-6546-1 fixed vulnerabilities in LibreOffice. This update provides the corresponding updates for Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. Reginaldo Silva discovered that LibreOffice incorrectly handled filenames when passing embedded videos to GStreamer. If a user were tricked into opening a specially crafted file, a remote attacker could possibly use this issue to execute arbitrary GStreamer plugins. Reginaldo Silva discovered that LibreOffice incorrectly handled certain non-typical hyperlinks. If a user were tricked into opening a specially crafted file, a remote attacker could possibly use this issue to execute arbitrary scripts.
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Ubuntu Security Notice USN-6546-2
December 14, 2023
libreoffice vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
Summary:
Several security issues were fixed in LibreOffice.
Software Description:
- libreoffice: Office productivity suite
Details:
USN-6546-1 fixed vulnerabilities in LibreOffice. This update provides the
corresponding updates for Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.
Original advisory details:
Reginaldo Silva discovered that LibreOffice incorrectly handled filenames
when passing embedded videos to GStreamer. If a user were tricked into
opening a specially crafted file, a remote attacker could possibly use this
issue to execute arbitrary GStreamer plugins. (CVE-2023-6185)
Reginaldo Silva discovered that LibreOffice incorrectly handled certain
non-typical hyperlinks. If a user were tricked into opening a specially
crafted file, a remote attacker could possibly use this issue to execute
arbitrary scripts. (CVE-2023-6186)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS:
libreoffice 1:7.3.7-0ubuntu0.22.04.4
Ubuntu 20.04 LTS:
libreoffice 1:6.4.7-0ubuntu0.20.04.9
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6546-2
https://ubuntu.com/security/notices/USN-6546-1
CVE-2023-6185, CVE-2023-6186
Package Information:
https://launchpad.net/ubuntu/+source/libreoffice/1:7.3.7-0ubuntu0.22.04.4
https://launchpad.net/ubuntu/+source/libreoffice/1:6.4.7-0ubuntu0.20.04.9
Related news
Red Hat Security Advisory 2024-3835-03 - An update for libreoffice is now available for Red Hat Enterprise Linux 9.
Red Hat Security Advisory 2024-1514-03 - An update for libreoffice is now available for Red Hat Enterprise Linux 8.
Red Hat Security Advisory 2024-1513-03 - An update for libreoffice is now available for Red Hat Enterprise Linux 8.8 Extended Update Support.
Red Hat Security Advisory 2024-1512-03 - An update for libreoffice is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions.
Red Hat Security Advisory 2024-1473-03 - An update for libreoffice is now available for Red Hat Enterprise Linux 8.6 Extended Update Support.
Red Hat Security Advisory 2024-1427-03 - An update for libreoffice is now available for Red Hat Enterprise Linux 9.
Red Hat Security Advisory 2024-1425-03 - An update for libreoffice is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.
Red Hat Security Advisory 2024-1423-03 - An update for libreoffice is now available for Red Hat Enterprise Linux 9.0 Extended Update Support.
Gentoo Linux Security Advisory 202402-29 - Multiple vulnerabilities have been found in LibreOffice, the worst of which could result in user-assisted code execution. Versions greater than or equal to 7.5.9.2 are affected.
Debian Linux Security Advisory 5574-1 - Reginaldo Silva discovered two security vulnerabilities in LibreOffice, which could result in the execution of arbitrary scripts or Gstreamer plugins when opening a malformed file.
Debian Linux Security Advisory 5574-1 - Reginaldo Silva discovered two security vulnerabilities in LibreOffice, which could result in the execution of arbitrary scripts or Gstreamer plugins when opening a malformed file.
Ubuntu Security Notice 6546-1 - Reginaldo Silva discovered that LibreOffice incorrectly handled filenames when passing embedded videos to GStreamer. If a user were tricked into opening a specially crafted file, a remote attacker could possibly use this issue to execute arbitrary GStreamer plugins. Reginaldo Silva discovered that LibreOffice incorrectly handled certain non-typical hyperlinks. If a user were tricked into opening a specially crafted file, a remote attacker could possibly use this issue to execute arbitrary scripts.
Ubuntu Security Notice 6546-1 - Reginaldo Silva discovered that LibreOffice incorrectly handled filenames when passing embedded videos to GStreamer. If a user were tricked into opening a specially crafted file, a remote attacker could possibly use this issue to execute arbitrary GStreamer plugins. Reginaldo Silva discovered that LibreOffice incorrectly handled certain non-typical hyperlinks. If a user were tricked into opening a specially crafted file, a remote attacker could possibly use this issue to execute arbitrary scripts.
Insufficient macro permission validation of The Document Foundation LibreOffice allows an attacker to execute built-in macros without warning. In affected versions LibreOffice supports hyperlinks with macro or similar built-in command targets that can be executed when activated without warning the user.
Improper Input Validation vulnerability in GStreamer integration of The Document Foundation LibreOffice allows an attacker to execute arbitrary GStreamer plugins. In affected versions the filename of the embedded video is not sufficiently escaped when passed to GStreamer enabling an attacker to run arbitrary gstreamer plugins depending on what plugins are installed on the target system.