[Japanese]

JVNDB-2020-000051

Multiple vulnerabilities in multiple PHP Factory products

Overview

Multiple products provided by PHP Factory contain multiple vulnerabilities listed below.
* Cross-site Request Forgery (CWE-352) - CVE-2020-5615
* Authentication bypass (CWE-287) - CVE-2020-5616

Yuji Tounai of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 4.8 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2020-5616


CVSS V3 Severity:
Base Metrics: 4.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics: 2.6 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2020-5615
Affected Products


PHP Kobo
  • (for 3 Devices) PHP Business Days, Schedule Calendar Free
  • PHP Business Days, Schedule Calendar Free (Text input)
  • (Acceptance Limit)Appoinment, Application Form, Business Calendar Free
  • Photo Gallery CMS for PC, smartphone and feature phone (Free)
  • PHP Link CMS Free
  • PHP New Information, Notice, News CMS Program Free
  • PHP Vote, Questionnaire System (Preventing Countinuous Voting), CMS Free
  • PHP Telop, News Sticker, Headline CMS Free

CVE-2020-5615
* [Calendar01] free edition ver1.0.0
* [Calendar02] free edition ver1.0.0

CVE-2020-5616
* [Calendar01] free edition ver1.0.0
* [Calendar02] free edition ver1.0.0
* [PKOBO-News01] free edition ver1.0.3 and earlier
* [PKOBO-vote01] free edition ver1.0.1 and earlier
* [Telop01] free edition ver1.0.0
* [Gallery01] free edition ver1.0.3 and earlier
* [CalendarForm01] free edition ver1.0.3 and earlier
* [Link01] free edition ver1.0.0
Impact

* If a user views a malicious page while logged in, unintended operations may be performed - CVE-2020-5615
* A remote attacker under certain conditions may log in to the product with administrative privileges - CVE-2020-5616
Solution

[Update the software] - CVE-2020-5615
Update the software to the latest version according to the information provided by the developer.

[Add code to the affected file] - CVE-2020-5616
Add code to the affected file according to the information provided by the developer.
Vendor Information

PHP Kobo
CWE (What is CWE?)

  1. Permissions(CWE-264) [IPA Evaluation]
  2. Cross-Site Request Forgery(CWE-352) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2020-5615
  2. CVE-2020-5616
References

  1. JVN : JVN#73169744
Revision History

  • [2020/07/31]
      Web page was published