Vulnerability identifier: #VU18341

Vulnerability risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5931

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cybozu Garoon
Web applications / Other software

Vendor: Cybozu

Description

The vulnerability allows a local privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A local privileged user can tamper with data via improper verification of file path in installer.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cybozu Garoon: 4.0.0 - 4.6.3

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External links
http://cs.cybozu.co.jp/2019/006814.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.