CVE-2023-35847 Denial of service in n/a
An attacker can cause a denial of service by sending TCP packets with an invalid MSS value, as the library lacks a lower bound check.
- 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-2023-35847?
CVE-2023-35847 is a high-severity denial of service vulnerability in n/a, published on 19 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not have an MSS lower bound (e.g., it could be zero).
Weakness: CWE-908
Which versions are affected by CVE-2023-35847?
It affects 1 product.
Products include Virtualsquare Picotcp.
How do I fix CVE-2023-35847?
No fix has been published for CVE-2023-35847 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-2023-35847 being exploited?
There is no known exploitation of CVE-2023-35847 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-rm6f-cq9j-f78m.