JVN#51737843
Multiple vulnerabilities in Cybozu Office

Overview

Cybozu Office provided by Cybozu, Inc. contains multiple vulnerabilities.

Products Affected

• Cybozu Office 10.0.0 to 10.7.0 (CVE-2018-0526, CVE-2018-0527, CVE-2018-0528, CVE-2018-0529)
• Cybozu Office 10.0.0 to 10.8.0 (CVE-2018-0565, CVE-2018-0566, CVE-2018-0567)

Description

Cybozu Office provided by Cybozu, Inc. contains multiple vulnerabilities listed below.

• Information disclosure in the application "Message" when viewing an external image (CWE-200) - CVE-2018-0526

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

• Stored cross-site scripting in "E-mail Details Screen" of the application "E-mail" (CWE-79) - CVE-2018-0527

  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:M/Au:N/C:N/I:P/A:N	Base Score: 4.3

• Browse restriction bypass in the application "Scheduler" (CWE-264) - CVE-2018-0528

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	Base Score: 4.3
  CVSS v2	AV:N/AC:M/Au:S/C:P/I:N/A:N	Base Score: 3.5

• Denial-of-service (DoS) in the application "Message" due to a flaw in processing of an attached file  (CWE-20) - CVE-2018-0529

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L	Base Score: 4.3
  CVSS v2	AV:N/AC:L/Au:N/C:N/I:N/A:P	Base Score: 5.0

• Reflected cross-site scripting in the application "MultiReport" (CWE-79) - CVE-2018-0565

  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

• Browse restriction bypass in the application "Scheduler" (CWE-264) - CVE-2018-0566

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	Base Score: 4.3
  CVSS v2	AV:N/AC:M/Au:S/C:P/I:N/A:N	Base Score: 3.5

• Operation restriction bypass in the application "Bulletin" (CWE-264) - CVE-2018-0567

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	Base Score: 4.3
  CVSS v2	AV:N/AC:M/Au:S/C:N/I:P/A:N	Base Score: 3.5

Impact

• If a user browses a message, an attached image located in an external server may be displayed without the user's permission - CVE-2018-0526
• An arbitrary script may be executed on the logged in user's web browser - CVE-2018-0527, CVE-2018-0565
• A user who can login to the product may view the schedules that are not permitted to access - CVE-2018-0528
• Attaching a specially crafted image file in "Compose E-mail screen" by a user may result in Denial-of-service (DoS) condition - CVE-2018-0529
• The schedule may be obtained by a user who does not have privileges to access - CVE-2018-0566
• A user without privileges may access and write data prior to being public - CVE-2018-0567

Solution

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