CVE-2021-25836 Business logic in n/a
Attackers can exploit cache inconsistency to persist failed transaction bytecode, enabling the creation of malicious honeypot contracts in Cosmos Network Ethermint.
- 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-2021-25836?
CVE-2021-25836 is a high-severity vulnerability in n/a, published on 8 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cosmos Network Ethermint <= v0.4.0 is affected by cache lifecycle inconsistency in the EVM module. The bytecode set in a FAILED transaction wrongfully remains in memory(stateObject.code) and is further written to persistent store at the Endblock stage, which may be utilized to build honeypot contracts.
Which versions are affected by CVE-2021-25836?
It affects 1 product.
Products include Chainsafe Ethermint.
How do I fix CVE-2021-25836?
No fix has been published for CVE-2021-25836 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-25836 being exploited?
There is no known exploitation of CVE-2021-25836 in the wild and no public exploit code.