CVE-2023-34390 Improper input validation could lead to denial of service
A remote authenticated attacker can cause a denial of service on the SEL-451 relay by exploiting improper input validation, locking out services.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-34390?
CVE-2023-34390 is a medium-severity denial of service vulnerability in Schweitzer Engineering Laboratories SEL-451, published on 30 Nov 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
An input validation vulnerability in the Schweitzer Engineering Laboratories SEL-451 could allow a remote authenticated attacker to create a denial of service against the system and locking out services.
See product Instruction Manual Appendix A dated 20230830 for more details.
Weakness: CWE-20
Which versions are affected by CVE-2023-34390?
It affects 1 product.
Products include Selinc Sel-451 Firmware.
How do I fix CVE-2023-34390?
No fix has been published for CVE-2023-34390 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-2023-34390 being exploited?
There is no known exploitation of CVE-2023-34390 in the wild and no public exploit code.
Other vulnerabilities in Schweitzer Engineering Laboratories SEL-451
- CVE-2023-31176 Insufficient entropy vulnerability could lead to authentication bypass
- CVE-2023-34388 Improper authentication could lead to session hijacking
- CVE-2023-34389 Allocation of resources without limits could lead to denial of service
- CVE-2023-31177 Improper neutralizataion of input could lead to execution of arbitrary code
Sources
Also known as GHSA-78fr-vmpw-5v67.