Multiple vulnerabilities in Cybozu Office



Published: 2019-12-17
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
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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

CVSSv3.1:

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: 10.0.0 - 10.8.3


CPE2.3 External links

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

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Improper access control

EUVDB-ID: #VU23624

Risk: Low

CVSSv3.1:

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: 10.0.0 - 10.8.3


CPE2.3 External links

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

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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