Multiple vulnerabilities in Cybozu Garoon



Published: 2021-08-02
Risk Medium
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2021-20774
CVE-2021-20773
CVE-2021-20771
CVE-2021-20772
CVE-2021-20775
CWE-ID CWE-79
CWE-20
CWE-264
CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Cybozu Garoon
Web applications / Other software

Vendor Cybozu

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU55479

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-20774

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in some functions of E-mail. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cybozu Garoon: 4.0.0 - 5.5.0


CPE2.3 External links

http://jvn.jp/en/jp/JVN54794245/index.html
http://cs.cybozu.co.jp/2021/007206.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Input validation error

EUVDB-ID: #VU55478

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-20773

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to route information of Workflow is deleted unintentionally. A remote authenticated attacker can delete the route information of Workflow without the appropriate privilege.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cybozu Garoon: 4.0.0 - 5.5.0


CPE2.3 External links

http://jvn.jp/en/jp/JVN54794245/index.html
http://cs.cybozu.co.jp/2021/007206.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

3) Cross-site scripting

EUVDB-ID: #VU55477

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-20771

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in some functions of Group Mail. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cybozu Garoon: 4.0.0 - 5.5.0


CPE2.3 External links

http://jvn.jp/en/jp/JVN54794245/index.html
http://cs.cybozu.co.jp/2021/007206.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

4) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU55480

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-20772

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to application does not properly impose security restrictions in Bulletin. A remote authenticated attacker can obtain the title of Bulletin without the viewing privilege. 

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cybozu Garoon: 4.10.0 - 5.5.0


CPE2.3 External links

http://jvn.jp/en/jp/JVN54794245/index.html
http://cs.cybozu.co.jp/2021/007206.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

5) Information disclosure

EUVDB-ID: #VU55481

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-20775

CWE-ID: CWE-200 - Information Exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote authenticated attacker can obtain the data of Comment and Space without the viewing privilege.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cybozu Garoon: 4.10.0 - 5.5.0


CPE2.3 External links

http://jvn.jp/en/jp/JVN54794245/index.html
http://cs.cybozu.co.jp/2021/007206.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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