Denial of service in Cybozu KUNAI for Android

1) Interpretation Conflict

EUVDB-ID: #VU86163

Risk: Medium

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-23304

CWE-ID: CWE-436 - Interpretation Conflict

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the interpretation conflict. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cybozu KUNAI for Android: 3.0.20 - 3.0.21

External links

http://cs.cybozu.co.jp/2024/010691.html
http://jvn.jp/en/jp/JVN18743512/

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.