Command Injection in Chrome Extension for e-Tax Reception System



Published: 2020-06-24
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-5601
CWE-ID CWE-77
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Chrome Extension for e-Tax Reception System
Web applications / Modules and components for CMS

Vendor National Tax Agency

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Command Injection

EUVDB-ID: #VU29225

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5601

CWE-ID: CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the system.

The vulnerability exists due to improper input validation. When a user runs a Chrome Extension for e-Tax Reception System, a remote attacker can use a specially crafted parameter, manipulate with COM objects and execute arbitrary commands on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Chrome Extension for e-Tax Reception System: 1.0.0.0


CPE2.3 External links

http://jvn.jp/en/jp/JVN40039627/index.html
http://www.e-tax.nta.go.jp/topics/topics_200618.htm

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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