JVN#28806943
Multiple vulnerabilities in Movable Type

Overview

Movable Type provided by Six Apart Ltd. contains multiple vulnerabilities.

Products Affected

• Movable Type 7 r.4606 (7.2.1) and earlier (Movable Type 7)
• Movable Type Advanced 7 r.4606 (7.2.1) and earlier (Movable Type Advanced 7)
• Movable Type for AWS 7 r.4606 (7.2.1) and earlier (Movable Type for AWS 7)
• Movable Type 6.5.3 and earlier (Movable Type 6.5)
• Movable Type Advanced 6.5.3 and earlier (Movable Type Advanced 6.5)
• Movable Type 6.3.11 and earlier (Movable Type 6.3)
• Movable Type Advanced 6.3.11 and earlier (Movable Type 6.3)
• Movable Type Premium 1.29 and earlier
• Movable Type Premium Advanced 1.29 and earlier

Description

Movable Type provided by Six Apart Ltd. contains multiple vulnerabilities listed below.

• HTML attribute value injection vulnerability (CWE-74) - CVE-2020-5574

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N	Base Score: 4.7
  CVSS v2	AV:N/AC:M/Au:N/C:N/I:P/A:N	Base Score: 4.3

• Cross-site scripting due to a flaw in processing multiple query strings (CWE-79) - CVE-2020-5575

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	Base Score: 6.1
  CVSS v2	AV:N/AC:H/Au:N/C:N/I:P/A:N	Base Score: 2.6

• Cross-site request forgery (CWE-352) - CVE-2020-5576

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N	Base Score: 4.3
  CVSS v2	AV:N/AC:H/Au:N/C:N/I:P/A:N	Base Score: 2.6

• Unrestricted upload of file with specific extentions (CWE-434) - CVE-2020-5577

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L	Base Score: 6.3
  CVSS v2	AV:N/AC:L/Au:S/C:P/I:P/A:P	Base Score: 6.5

Impact

• A remote attacker may inject arbitrary HTML attribute value. - CVE-2020-5574
• An arbitrary script may be executed on a logged in user's web browser. - CVE-2020-5575
• If a user views a malicious page while logged in, unintended operations may be performed. - CVE-2020-5576
• A user who can upload files may upload arbitrary files and execute php script. - CVE-2020-5577

Solution

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