CVE-2023-47263 Denial of service in n/a
Attackers can cause a denial of service in WithSecure antivirus products by submitting a specially crafted PE32 file for scanning.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-47263?
CVE-2023-47263 is a high-severity denial of service vulnerability in n/a, published on 16 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Certain WithSecure products allow a Denial of Service (DoS) in the antivirus engine when scanning a fuzzed PE32 file. This affects WithSecure Client Security 15, WithSecure Server Security 15, WithSecure Email and Server Security 15, WithSecure Elements Endpoint Protection 17 and later, WithSecure Client Security for Mac 15, WithSecure Elements Endpoint Protection for Mac 17 and later, WithSecure Linux Security 64 12.0, WithSecure Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 15 and later.
Which versions are affected by CVE-2023-47263?
It affects 7 products.
Products include Withsecure Atlant, Withsecure Client Security, Withsecure Elements Endpoint Protection, Withsecure Email and Server Security, Withsecure Linux Protection, Withsecure Linux Security 64 and 1 more.
How do I fix CVE-2023-47263?
No fix has been published for CVE-2023-47263 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-47263 being exploited?
There is no known exploitation of CVE-2023-47263 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-5rp8-vvgw-g5c2.