CVE-2020-12802 remote graphics contained in docx format retrieved in 'stealth mode'

What is CVE-2020-12802?

CVE-2020-12802 is a medium-severity vulnerability in Fedoraproject Fedora, published on 8 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

LibreOffice has a 'stealth mode' in which only documents from locations deemed 'trusted' are allowed to retrieve remote resources. This mode is not the default mode, but can be enabled by users who want to disable LibreOffice's ability to include remote resources within a document. A flaw existed where remote graphic links loaded from docx documents were omitted from this protection prior to version 6.4.4. This issue affects: The Document Foundation LibreOffice versions prior to 6.4.4.

Weakness: CWE-200

Which versions are affected by CVE-2020-12802?

It affects 3 products.

Products include Fedoraproject Fedora, Libreoffice Libreoffice, Opensuse Leap.

How do I fix CVE-2020-12802?

Upgrade to a fixed version.

Is CVE-2020-12802 being exploited?

There is no known exploitation of CVE-2020-12802 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2020-12802, GHSA-r3c7-2c6p-8qmc, UBUNTU-CVE-2020-12802.