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jvnJapan Vulnerability NotesJVN:18056666
HistoryMar 11, 2021 - 12:00 a.m.

JVN#18056666: Installer of MagicConnect Client program may insecurely load Dynamic Link Libraries

2021-03-1100:00:00
Japan Vulnerability Notes
jvn.jp
45

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

0.001 Low

EPSS

Percentile

36.5%

Installer of MagicConnect Client program provided by NTT TechnoCross Corporation contains a vulnerability which may lead to insecurely loading Dynamic Link Libraries (CWE-427) when a terminal is connected remotely using Remote desktop.

Impact

Arbitrary code may be executed with the privilege of the user invoking the installer.

Solution

Use the latest installer
Use the latest installer provided after 2021 March 1.
Users who have obtained the installer of MagicConnect Client program before 2021 March 1 need to download the latest installer again for the installation.
Also when executing the installer, be sure to check there are no suspicious files in the directory where the installer resides.

Users who already have installed the software do not need to re-install, because this issue affects the installers only.

Products Affected

  • Installer of MagicConnect Client program which was distributed before 2021 March 1
    As of 2021 March 1, the latest version is 7.0r2.

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

0.001 Low

EPSS

Percentile

36.5%

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