CVE-2022-26534 Denial of service in n/a
A malicious node can cause excessive view changes in FISCO-BCOS, stopping block generation and causing denial of service.
- 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-2022-26534?
CVE-2022-26534 is a high-severity denial of service vulnerability in n/a, published on 16 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
FISCO-BCOS release-3.0.0-rc2 was discovered to contain an issue where a malicious node, via a malicious viewchange packet, will cause normal nodes to change view excessively and stop generating blocks.
Which versions are affected by CVE-2022-26534?
It affects 1 product.
Products include Fisco-Bcos Fisco-Bcos.
How do I fix CVE-2022-26534?
No fix has been published for CVE-2022-26534 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-2022-26534 being exploited?
There is no known exploitation of CVE-2022-26534 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-gf3h-q37j-xmm8.