#VU78986 Improper Check or Handling of Exceptional Conditions in FFRI yarai and FFRI yarai Home and Business Edition - CVE-2023-39341

Vulnerability identifier: #VU78986

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-39341

CWE-ID: CWE-703

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FFRI yarai
Client/Desktop applications / Antivirus software/Personal firewalls
FFRI yarai Home and Business Edition
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: FFRI Security

Description

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

The vulnerability exists due to improper check or handling of exceptional conditions within the Windows Defender. A remote attacker can cause a denial of service condition.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FFRI yarai: 3.4.0 - 3.5.0

FFRI yarai Home and Business Edition: 1.4.0

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External links
https://jvn.jp/en/jp/JVN42527152/index.html
https://www.ffri.jp/assets/files/other_docs/20230807.pdf

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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.