CVE-2019-9849 Security feature bypass in LibreOffice

What is CVE-2019-9849?

CVE-2019-9849 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 17 Jul 2019. Any signed-in user can exploit it over the network, 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 bullet graphics were omitted from this protection prior to version 6.2.5. This issue affects: Document Foundation LibreOffice versions prior to 6.2.5.

Which versions are affected by CVE-2019-9849?

It affects 5 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Libreoffice Libreoffice, Opensuse Leap.

How do I fix CVE-2019-9849?

Upgrade to a fixed version.

Is CVE-2019-9849 being exploited?

There is no known exploitation of CVE-2019-9849 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2019-9849, GHSA-c8xc-2xmq-f85j, UBUNTU-CVE-2019-9849.