Multiple vulnerabilities in Cybozu Office



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2019-6022
CVE-2019-6023
CWE-ID CWE-22
CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Cybozu Office
Other software / Other software solutions

Vendor Cybozu

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Path traversal

EUVDB-ID: #VU23623

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-6022

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

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 the "Customapp" function. A remote authenticated attacker can send a specially crafted HTTP request and alter arbitrary files on the server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cybozu Office: - - 10.8.3

CPE2.3 External links

https://jvn.jp/en/jp/JVN79854355/index.html
https://cs.cybozu.co.jp/2019/006976.html


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.

2) Improper access control

EUVDB-ID: #VU23624

Risk: Low

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

CVE-ID: CVE-2019-6023

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 improper access restrictions in the "Address" application. A remote authenticated attacker can bypass implemented security restrictions and obtain data without access privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cybozu Office: - - 10.8.3

CPE2.3 External links

https://jvn.jp/en/jp/JVN79854355/index.html
https://cs.cybozu.co.jp/2019/006976.html


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.



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