Vulnerability identifier: #VU28799
Vulnerability risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
LibreOffice
Client/Desktop applications /
Office applications
Vendor: LibreOffice
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to application does not properly impose security restrictions on remote graphic links loaded from docx documents, when LibreOffice has a 'stealth mode' enabled. A remote attacker can bypass implemented restriction and cause the application to load graphic links from untrused resources.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
LibreOffice: 6.3.6.1 - 6.3.6.2, 6.3.5.1 - 6.3.5.2, 6.3.4.1 - 6.3.4.2, 6.3.0.0 - 6.3.0.4, 6.3.1 - 6.3.1.2, 6.3.2.1 - 6.3.2.2, 6.3.3.1 - 6.3.3.2
External links
http://www.libreoffice.org/about-us/security/advisories/CVE-2020-12802
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.