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Security Advisories: GSA_kwCzR0hTQS04d2NjLW02ajItcXh2bc4ABCgI

ASA-2024-0012, ASA-2024-0013: CosmosSDK: Transaction decoding may result in a stack overflow or resource exhaustion

Summary

ASA-2024-0012

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

ASA-2024-0013

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

Impact

ASA-2024-0012

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.

ASA-2024-0013

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.

Patches

The issues above are resolved in Cosmos SDK versions v0.47.15 or v0.50.11.
Please upgrade ASAP.

Timeline for ASA-2024-0012

October 1, 2024, 12:29pm UTC: Issue reported to the Cosmos Bug Bounty program
October 1, 2024, 2:47pm UTC: Issue triaged by Amulet on-call, and distributed to Core team
December 9, 2024, 11:13am UTC: Core team completes patch for issue
Dec 14, 2024,16:00 UTC: Pre-notification delivered
Dec 16, 2024, 16:00 UTC: Patch made available

This issue was reported to the Cosmos Bug Bounty Program on HackerOne on October 1, 2024.

Timeline for ASA-2024-0013

October 19, 2024, 8:12pm UTC: Issue reported to the Cosmos Bug Bounty program
October 19, 2024, 8:28pm UTC: Issue triaged by Amulet on-call, and distributed to Core team
December 11, 2024, 3:31pm UTC: Core team completes patch for issue
Dec 14, 2024, 16:00 UTC: Pre-notification delivered
Dec 16, 2024, 16:00 UTC: Patch made available

This issue was reported by LonelySloth to the Cosmos Bug Bounty Program on HackerOne on October 19, 2024.

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 [email protected]. 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.

Permalink: https://github.com/advisories/GHSA-8wcc-m6j2-qxvm
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS04d2NjLW02ajItcXh2bc4ABCgI
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: about 2 months ago
Updated: about 1 month ago

Identifiers: GHSA-8wcc-m6j2-qxvm
References:

Repository: https://github.com/cosmos/cosmos-sdk
Blast Radius: 0.0

Affected Packages

go:cosmossdk.io/x/tx

Dependent packages: 495
Dependent repositories: 28
Downloads:
Affected Version Ranges: < 0.13.7
Fixed in: 0.13.7
All affected versions: 0.1.0, 0.2.0, 0.2.1, 0.2.2, 0.3.0, 0.4.0, 0.5.0, 0.5.1, 0.5.2, 0.5.3, 0.5.4, 0.5.5, 0.5.6, 0.6.0, 0.6.1, 0.6.2, 0.6.3, 0.7.0, 0.8.0, 0.9.0, 0.9.1, 0.10.0, 0.11.0, 0.12.0, 0.13.0, 0.13.1, 0.13.2, 0.13.3, 0.13.4, 0.13.5, 0.13.6
All unaffected versions: 0.13.7, 0.13.8, 1.0.0, 1.0.1, 1.1.0

go:github.com/cosmos/cosmos-sdk

Dependent packages: 4,393
Dependent repositories: 2,329
Downloads:
Affected Version Ranges: < 0.47.15, >= 0.50.0-alpha.0, < 0.50.11
Fixed in: 0.47.15, 0.50.11
All affected versions: 0.0.2, 0.0.3, 0.0.4, 0.2.0, 0.3.0, 0.3.1, 0.4.0, 0.4.1, 0.5.0, 0.5.1, 0.5.2, 0.6.0, 0.6.1, 0.6.2, 0.7.0, 0.7.1, 0.8.0, 0.9.0, 0.10.0, 0.11.0, 0.12.0, 0.13.0, 0.13.1, 0.14.0, 0.14.1, 0.15.0, 0.15.1, 0.16.0, 0.17.0, 0.17.1, 0.17.2, 0.17.3, 0.17.4, 0.17.5, 0.18.0, 0.19.0, 0.20.0, 0.21.0, 0.21.1, 0.22.0, 0.23.0, 0.23.1, 0.24.0, 0.24.1, 0.24.2, 0.25.0, 0.26.0, 0.27.0, 0.27.1, 0.28.0, 0.28.1, 0.29.0, 0.29.1, 0.30.0, 0.31.0, 0.31.1, 0.31.2, 0.32.0, 0.33.0, 0.33.1, 0.33.2, 0.34.0, 0.34.1, 0.34.2, 0.34.3, 0.34.4, 0.34.5, 0.34.6, 0.34.7, 0.34.8, 0.34.9, 0.34.10, 0.35.0, 0.36.0, 0.37.0, 0.37.1, 0.37.2, 0.37.3, 0.37.4, 0.37.5, 0.37.6, 0.37.7, 0.37.8, 0.37.9, 0.37.10, 0.37.11, 0.37.12, 0.37.13, 0.37.14, 0.37.15, 0.38.0, 0.38.1, 0.38.2, 0.38.3, 0.38.4, 0.38.5, 0.39.0, 0.39.1, 0.39.2, 0.39.3, 0.40.0, 0.40.1, 0.41.0, 0.41.1, 0.41.2, 0.41.3, 0.41.4, 0.42.0, 0.42.1, 0.42.2, 0.42.3, 0.42.4, 0.42.5, 0.42.6, 0.42.7, 0.42.8, 0.42.9, 0.42.10, 0.42.11, 0.43.0, 0.44.0, 0.44.1, 0.44.2, 0.44.3, 0.44.4, 0.44.5, 0.44.6, 0.44.7, 0.44.8, 0.45.0, 0.45.1, 0.45.2, 0.45.3, 0.45.4, 0.45.5, 0.45.6, 0.45.7, 0.45.8, 0.45.9, 0.45.10, 0.45.11, 0.45.12, 0.45.13, 0.45.14, 0.45.15, 0.45.16, 0.46.0, 0.46.1, 0.46.2, 0.46.3, 0.46.4, 0.46.5, 0.46.6, 0.46.7, 0.46.8, 0.46.9, 0.46.10, 0.46.11, 0.46.12, 0.46.13, 0.46.14, 0.46.15, 0.46.16, 0.47.0, 0.47.1, 0.47.2, 0.47.3, 0.47.4, 0.47.5, 0.47.6, 0.47.7, 0.47.8, 0.47.9, 0.47.10, 0.47.11, 0.47.12, 0.47.13, 0.47.14, 0.50.0, 0.50.0-alpha.0, 0.50.0-alpha.1, 0.50.0-beta.0, 0.50.0-rc.0, 0.50.0-rc.1, 0.50.1, 0.50.2, 0.50.3, 0.50.4, 0.50.5, 0.50.6, 0.50.7, 0.50.8, 0.50.9, 0.50.10
All unaffected versions: