Vulnerability identifier: #VU19225

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-9849

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 certain security restrictions.

The vulnerability exists due to incorrect implementation of stealth mode feature, intended as an additional level of security that allows to retrieve online content into document from trusted resources only. A remote attacker can create a specially crafted document with bullet graphics, bypass the intended security restrictions and make the application retrieve data from arbitrary external sources.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LibreOffice: 6.2.4.1 - 6.2.4.2, 6.2.0.0 - 6.2.0.3, 6.2.3.1 - 6.2.3.2, 6.2.2.1 - 6.2.2.2, 6.2.1.1 - 6.2.1.2

---

External links
http://www.libreoffice.org/about-us/security/advisories/cve-2019-9849/

---

Q & A

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.