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Japan Vulnerability NotesJVN:23340457

HistoryAug 24, 2017 - 12:00 a.m.

JVN#23340457: Multiple vulnerabilities in WebCalendar

2017-08-2400:00:00

Japan Vulnerability Notes

jvn.jp

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

30.0%

JSON

WebCalendar provided by k5n.us contains multiple vulnerabilities listed below.

Cross-site scripting (CWE-79) - CVE-2017-10840

Version	Vector	Score
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

Directory traversal (CWE-22) - CVE-2017-10841

Version	Vector	Score
CVSS v3	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N	Base Score: 4.1
CVSS v2	AV:N/AC:L/Au:S/C:P/I:N/A:N	Base Score: 4.0

Impact

An arbitrary script may be executed on a logged in user’s web browser - CVE-2017-10840
Arbitrary local files on the server may be accessed by a user logged in as an administrator - CVE-2017-10841

Solution

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

Products Affected

WebCalendar 1.2.7 and earlier

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

30.0%

JSON

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