#VU18346 Path traversal in Cybozu Garoon - CVE-2019-5936

Vulnerability identifier: #VU18346

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-5936

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cybozu Garoon
Web applications / Other software

Vendor: Cybozu

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in "Work Flow" application. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cybozu Garoon: 4.0.0 - 4.10.1

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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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