Japan Vulnerability NotesJVN:18975349JVN#18975349: Multiple access restriction bypass vulnerabilities in Cybozu Garoon
5.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:P/A:N
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
0.002 Low
EPSS
Percentile
51.9%
Cybozu Garoon is a groupware. Cybozu Garoon contains multiple access restriction bypass vulnerabilities below.
Operation restriction bypass in the mail function- CVE-2016-1188
| Version | Vector | Score |
|---|---|---|
| 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:L/Au:S/C:N/I:P/A:N | Base Score: 4.0 |
Operation restriction bypass in the function “Portlets” - CVE-2016-1189
| Version | Vector | Score |
|---|---|---|
| CVSS v3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N | Base Score: 5.4 |
| CVSS v2 | AV:N/AC:L/Au:S/C:P/I:P/A:N | Base Score: 5.5 |
Browse restriction bypass in the function “MultiReport” - CVE-2016-1190
| Version | Vector | Score |
|---|---|---|
| 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:L/Au:S/C:P/I:N/A:N | Base Score: 4.0 |
Impact
A spoofed e-mail may be sent by a user. (CVE-2016-1188)
A user may create a portlet which does not belong any portlet groups, view or alter a portlet which the user does not have permission to access. (CVE-2016-1189)
A user may view the MultiReport which the user does not have permission to access. (CVE-2016-1190)
Solution
Update the Software
Update to the latest version according to the information provided by the developer.
Products Affected
- Cybozu Garoon 3.0 to 4.2 (CVE-2016-1188, CVE-2016-1189)
- Cybozu Garoon 3.1 to 4.2 (CVE-2016-1190)
Related
5.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:P/A:N
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
0.002 Low
EPSS
Percentile
51.9%