CVE-2019-3946 Integer overflow in Fuji Electric V-Server

What is CVE-2019-3946?

CVE-2019-3946 is a high-severity vulnerability in Fuji Electric V-Server, published on 12 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Fuji Electric V-Server before 6.0.33.0 is vulnerable to denial of service via a crafted UDP message sent to port 8005. An unauthenticated, remote attacker can crash vserver.exe due to an integer overflow in the UDP message handling logic.

Weakness: CWE-190

Which versions are affected by CVE-2019-3946?

It affects 1 product.

Products include Fujielectric V-Server.

How do I fix CVE-2019-3946?

No fix has been published for CVE-2019-3946 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-3946 being exploited?

There is no known exploitation of CVE-2019-3946 in the wild and no public exploit code.

Other vulnerabilities in Fuji Electric V-Server

• CVE-2019-18240 Memory corruption in Fuji Electric V-Server 4.0.6 and prior Critical 9.8
• CVE-2019-3947 Hardcoded credentials in Fuji Electric V-Server Critical 9.8
• CVE-2023-47584 Memory corruption in V-Server High 7.8
• CVE-2023-47585 Memory corruption in V-Server High 7.8
• CVE-2023-47586 Memory corruption in V-Server High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4p44-cv6p-5gxp.