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[Japanese]
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JVNDB-2021-000020
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Installer of MagicConnect Client program may insecurely load Dynamic Link Libraries
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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.
Yuji Tounai of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
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CVSS V3 Severity:
Base Metrics 7.0 (High) [IPA Score]
- Attack Vector: Local
- Attack Complexity: High
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
CVSS V2 Severity:
Base Metrics 5.1 (Medium) [IPA Score]
- Access Vector: Network
- Access Complexity: High
- Authentication: None
- Confidentiality Impact: Partial
- Integrity Impact: Partial
- Availability Impact: Partial
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NTT TechnoCross Corporation
- MagicConnect Installer of Client program which was distributed before 2021 March 1
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As of 2021 March 1, the latest version is 7.0r2.
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Arbitrary code may be executed with the privilege of the user invoking the installer.
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[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.
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NTT TechnoCross Corporation
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- No Mapping(CWE-Other) [IPA Evaluation]
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- CVE-2021-20674
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- JVN : JVNTA#91240916
- JVN : JVN#18056666
- National Vulnerability Database (NVD) : CVE-2021-20674
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- [2021/03/11]
Web page was published
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