| Package | Affected versions | Patched versions |
|---|---|---|
| cosmossdk.io/x/tx | < 0.13.7 | 0.13.7 |
| github.com/cosmos/cosmos-sdk | ≥ 0.50.0-alpha.0, < 0.50.11< 0.47.15 | 0.50.110.47.15 |
Name: ASA-2024-0012, Transaction decoding may result in a stack overflow Component: Cosmos SDK Criticality: High (Considerable Impact, and Possible Likelihood per ACMv1.2) Affected versions: cosmos-sdk versions <= v0.50.10, <= v0.47.14 Affected users: Chain Builders + Maintainers, Validators, node operators
Name: ASA-2024-0013: CosmosSDK: Transaction decoding may result in resource exhaustion
Component: Cosmos SDK
Criticality: High (Considerable Impact, and Possible Likelihood per ACMv1.2)
Affected versions: cosmos-sdk versions <= v0.50.10, <= v0.47.14
Affected users: Chain Builders + Maintainers, Validators, node operators
When decoding a maliciously formed packet with a deeply-nested structure, it may be possible for a stack overflow to occur and result in a network halt. This was addressed by adding a recursion limit while decoding the packet.
Nested messages in a transaction can consume exponential cpu and memory on UnpackAny calls. Themax_tx_bytes sets a limit for external TX but is not applied for internal messages emitted by wasm contracts or a malicious validator block. This may result in a node crashing due to resource exhaustion. This was addressed by adding additional validation to prevent this condition.
The issues above are resolved in Cosmos SDK versions v0.47.15 or v0.50.11. Please upgrade ASAP.
This issue was reported to the Cosmos Bug Bounty Program on HackerOne on October 1, 2024.
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Scan my site freeThis issue was reported by LonelySloth to the Cosmos Bug Bounty Program on HackerOne on October 19, 2024.
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