SB2021080203 - Multiple vulnerabilities in Cybozu Garoon
Published: August 2, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2021-20774)
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.
2) Input validation error (CVE-ID: CVE-2021-20773)
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.
3) Cross-site scripting (CVE-ID: CVE-2021-20771)
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.
4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-20772)
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.
5) Information disclosure (CVE-ID: CVE-2021-20775)
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.
Remediation
Install update from vendor's website.