Improper Authorization in Handler for Custom URL Scheme in Rikunabi NEXT App for Android



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-39507
CWE-ID CWE-939
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Rikunabi NEXT
Mobile applications / Apps for mobile phones

Vendor Recruit Co., Ltd.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Authorization in Handler for Custom URL Scheme

EUVDB-ID: #VU79269

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-39507

CWE-ID: CWE-939 - Improper Authorization in Handler for Custom URL Scheme

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a phishing attack.

The vulnerability exists due to the affected application fails to restrict custom URL schemes properly. A remote attacker can trick a victim to access an arbitrary website.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Rikunabi NEXT: All versions

CPE2.3 External links

https://jvn.jp/en/jp/JVN84820712/index.html


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to perform certain actions on the device.

Is there known malware, which exploits this vulnerability?

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



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