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jvnJapan Vulnerability NotesJVN:25385698
HistoryDec 10, 2018 - 12:00 a.m.

JVN#25385698: Cybozu Garoon access restriction bypass vulnerability

2018-12-1000:00:00
Japan Vulnerability Notes
jvn.jp
67

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.003

Percentile

68.7%

Single sign-on function of Cybozu Garoon provided by Cybozu, Inc. contains a restriction bypass vulnerability (CWE-284).

Impact

An attacker who can access the product may bypass authentication of Single sign-on function and view the information which is available only for sign-on users.

Solution

Apply the Patch
Apply the patch according to the information provided by the developer.

[Updated on 2019 April 22] Update the Software
Update to the latest version according to the information provided by the developer.
According to developer, this vulnerability was addressed in Cybozu Garoon 4.10.1.

Products Affected

  • Cybozu Garoon 3.0.0 to 4.10.0

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.003

Percentile

68.7%

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