[Japanese]

JVNDB-2021-001123

Multiple vulnerabilities in GROWI

Overview

GROWI provided by WESEEK, Inc. contains multiple vulnerabilities listed below.

Stored Cross-site Scripting (CWE-79) - CVE-2021-20667
Path Traversal (CWE-22) - CVE-2021-20668
Path Traversal (CWE-22) - CVE-2021-20669
Improper Access Control (CWE-284) - CVE-2021-20670
Improper Input Validation (CWE-20) - CVE-2021-20671
Site Scripting (CWE-79) - CVE-2021-20829

stypr of Flatt Security Inc. reported these vulnerabilities to the developer and coordinated on his own.
After coordination was completed, this case was reported to JPCERT/CC, and JPCERT/CC coordinated with the developer for the publication.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 3.7 (Low) [Other]
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: Low
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2021-20667

CVSS V3 Severity:
Base Metrics: 3.0 (Low) [Other]
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: High
  • User Interaction: None
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2021-20668

CVSS V3 Severity:
Base Metrics: 6.2 (Medium) [Other]
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: High
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: High
The above CVSS base scores have been assigned for CVE-2021-20669

CVSS V3 Severity:
Base Metrics: 5.8 (Medium) [Other]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2021-20670

CVSS V3 Severity:
Base Metrics: 7.6 (High) [Other]
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: High
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
The above CVSS base scores have been assigned for CVE-2021-20671

CVSS V3 Severity:
"Base Metrics:4.6 (Medium) [Other]"
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact:
The above CVSS base scores have been assigned for CVE-2021-20829
Affected Products


WESEEK, Inc.
  • GROWI versions v4.2.2 and earlier
  • GROWI versions v4.2.19 and earlier

Impact

* Inadequate CSP (Content Security Policy) configuration allows a remote attacker to execute an arbitrary script on the web browser of the user who accesses an attached file containing a specially crafted content - CVE-2021-20667
* An arbitrary path can be read if a remote attacker with administrative privilege accesses the affected product via a specially crafted URL - CVE-2021-20668
* An arbitrary path can be read and/or deleted if a remote attacker with administrative privilege sends a specially crafted request - CVE-2021-20669
* Improper access control of files allows an unauthenticated remote attacker to read the user's personal information and/or server's internal information - CVE-2021-20670
* Invalid file validation on the upload feature allows a remote attacker with administrative privilege to overwrite the files on the server, which may lead to arbitrary code execution - CVE-2021-20671
* Inadequate tag sanitization allows a remote attacker to execute an arbitrary script on the web browser of the user who accesses a specially crafted page - CVE-2021-20829
Solution

[Update the Software]
Update the software to the latest version according to the information provided by the developer.
According to the developer, these vulnerabilities were fixed in the following software version.

* GROWI v4.2.20
Vendor Information

WESEEK, Inc.
CWE (What is CWE?)

  1. Improper Input Validation(CWE-20) [Other]
  2. Path Traversal(CWE-22) [Other]
  3. Improper Access Control(CWE-284) [Other]
  4. Cross-site Scripting(CWE-79) [Other]
CVE (What is CVE?)

  1. CVE-2021-20667
  2. CVE-2021-20668
  3. CVE-2021-20669
  4. CVE-2021-20670
  5. CVE-2021-20671
  6. CVE-2021-20829
References

  1. JVN : JVNVU#94889258
  2. National Vulnerability Database (NVD) : CVE-2021-20667
  3. National Vulnerability Database (NVD) : CVE-2021-20668
  4. National Vulnerability Database (NVD) : CVE-2021-20669
  5. National Vulnerability Database (NVD) : CVE-2021-20670
  6. National Vulnerability Database (NVD) : CVE-2021-20671
  7. National Vulnerability Database (NVD) : CVE-2021-20829
Revision History

  • [2021/03/09]
      Web page was published
  • [2021/09/22]
      Overview was modified
      CVSS Severity was modified
      Affected Products : Product version was modified
      Impact was modified
      Solution was modified
      References : Contents were added
  • [2021/09/24]
      Impact was modified

Date Public2021/03/08
Date First Published2021/03/09
Date Last Updated2021/09/24