GHSA-m3rh-cvr5-x6q4 CosmWasm wasmd has large address count in ValidateBasic
An attacker can cause resource exhaustion and denial of service by submitting messages with excessive address counts to wasmd nodes.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is GHSA-m3rh-cvr5-x6q4?
GHSA-m3rh-cvr5-x6q4 is a denial of service vulnerability in github.com/CosmWasm/wasmd, published on 8 Aug 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Component: wasmd Criticality: Low (ACMv1: I:Moderate; L:Unlikely) Patched versions: wasmd 0.52.0
In multiple wasmd message types it was possible to add a large number of addresses which might lead to unexpected resource consumption in ValidateBasic.
See CWA-2024-003 for more details.
Which versions are affected by GHSA-m3rh-cvr5-x6q4?
3 open source packages ship an affected version, including github.com/CosmWasm/wasmd.
| Package | Affected | Fixed in |
|---|---|---|
github.com/CosmWasm/wasmd Go | All versions | 0.52.0 |
github.com/CosmWasm/wasmd Go | All versions | 0.52.0 |
github.com/CosmWasm/wasmd Go | All versions | 0.52.0 |
How do I fix GHSA-m3rh-cvr5-x6q4?
Upgrade github.com/CosmWasm/wasmd to 0.52.0 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GHSA-m3rh-cvr5-x6q4 being exploited?
There is no known exploitation of GHSA-m3rh-cvr5-x6q4 in the wild and no public exploit code.
Sources
Also known as GO-2024-3059.