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GHSA-x5vx-95h7-rv4p
No affected components available
Name: ASA-2025-003: Groups module can halt chain when handling a malicious proposal Component: CosmosSDK Criticality: High (Considerable Impact; Likely Likelihood per ACMv1.2) Affected versions: <= v0.47.15, <= 0.50.11 Affected users: Validators, Full nodes, Users on chains that utilize the groups module
Description
An issue was discovered in the groups module where a malicious proposal would result in a division by zero, and subsequently halt a chain due to the resulting error. Any user that can interact with the groups module can introduce this state.
Patches
The new Cosmos SDK release v0.50.12 and v0.47.16 fix this issue.
Workarounds
There are no known workarounds for this issue. It is advised that chains apply the update.
Timeline
- February 9, 2025, 5:18pm PST: Issue reported to the Cosmos Bug Bounty program
- February 9, 2025, 8:12am PST: Issue triaged by Amulet on-call, and distributed to Core team
- February 9, 2025, 12:25pm PST: Core team completes validation of issue
- February 18, 2025, 8:00am PST / 17:00 CET: Pre-notification delivered
- February 20, 2025, 8:00am PST / 17:00 CET: Patch made available
This issue was reported to the Cosmos Bug Bounty Program by dongsam on HackerOne on February 9, 2025. If you believe you have found a bug in the Interchain Stack or would like to contribute to the program by reporting a bug, please see https://hackerone.com/cosmos.
If you have questions about Interchain security efforts, please reach out to our official communication channel at security@interchain.io. For more information about the Interchain Foundation’s engagement with Amulet, and to sign up for security notification emails, please see https://github.com/interchainio/security.
A Github Security Advisory for this issue is available in the Cosmos SDK repository.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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