[Japanese]

JVNDB-2020-009584

Multiple vulnerabilities in KonaWiki3

Overview

KonaWiki3 is a lightweight wiki clone that supports Japanese wiki notation. KonaWiki3 contains multiple vulnerabilities listed below.

* Path Traversal (CWE-22) - CVE-2020-5670
* Path Traversal (CWE-22) - CVE-2020-5671
* Stored Cross-site Scripting (CWE-79) - CVE-2020-5672
* Reflected Cross-site Scripting (CWE-79) - CVE-2020-5673

stypr of Flatt Security Inc. reported this vulnerability 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 6.1 (Medium) [IPA Score]
  • Attack Vector: Adjacent Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2020-5671

CVSS V3 Severity:
Base Metrics: 4.7 (Medium) [JPCERT/CC Score]
  • Attack Vector: Adjacent
  • 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-2020-5670

CVSS V3 Severity:
Base Metrics: 5.4 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2020-5672

CVSS V3 Severity:
Base Metrics: 5.4 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2020-5673
Affected Products


kujirahand
  • KonaWiki 3.1.1 and earlier

Impact

* Inadequate query checking allows unauthorized disclosure of information stored above the target directory published as a website by a remote attacker. The exploit of this vulnerability is limited to the files with specific extension only. - CVE-2020-5670
* Inadequate query checking allows unauthorized disclosure of information stored above the target directory published as a website by a remote attacker. By exploiting this vulnerability, arbitrary files can be obtained. - CVE-2020-5671
* Because the sanitizing process is not performed properly, an arbitrary script is executed on the web browser of the user who accesses a wiki page containing a specially crafted content written by an attacker. - CVE-2020-5672
* Because the sanitizing process is not performed properly, an arbitrary script is executed on the web browser of the user who accesses a specially crafted URL. - CVE-2020-5673
Solution

[Update the software]
Update the software to the latest version according to the information provided by the developer.

* KonaWiki3.1.2
Vendor Information

kujirahand
CWE (What is CWE?)

  1. Path Traversal(CWE-22) [IPA Evaluation]
  2. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2020-5670
  2. CVE-2020-5671
  3. CVE-2020-5672
  4. CVE-2020-5673
References

  1. JVN : JVNVU#99880454
Revision History

  • [2020/11/18]
      Web page was published

Date Public2020/11/17
Date First Published2020/11/18
Date Last Updated2020/11/18