CVE-2023-42521 Denial of service in n/a
Remote attackers can crash the scanning engine in WithSecure endpoint protection products by submitting a malicious compressed file.
- 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-2023-42521?
CVE-2023-42521 is a high-severity denial of service vulnerability in n/a, published on 18 Sep 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 remote crash of a scanning engine via processing of a compressed 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, Linux Security 64 12.0 , Linux Protection 12.0, and WithSecure Atlant (formerly F-Secure Atlant) 1.0.35-1.
Weakness: CWE-400
Which versions are affected by CVE-2023-42521?
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-2023-42521?
No fix has been published for CVE-2023-42521 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-2023-42521 being exploited?
There is no known exploitation of CVE-2023-42521 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-65v8-q8g2-34xw.