Debian update for libreoffice



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-9854
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libreoffice (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper access control

EUVDB-ID: #VU20955

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-9854

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to unsafe URL assembly flaw in allowed script location check. A remote authenticated attacker can execute script in arbitrary locations on the filesystem by employing a URL encoding attack to defeat the path verification step.




Mitigation

Update the affected package to version: 1:5.2.7-1+deb9u11, 1:6.1.5-3+deb10u4.

Vulnerable software versions

libreoffice (Debian package): 1:5.2.7-1+deb9u1 - 1:6.1.5-3+deb10u3

CPE2.3 External links

https://www.debian.org/security/2019/dsa-4519


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.



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