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vulnrichmentGitHub_MVULNRICHMENT:CVE-2024-37158
HistoryJun 17, 2024 - 2:03 p.m.

CVE-2024-37158 Evmos is missing precompile checks

2024-06-1714:03:22
CWE-691
GitHub_M
github.com
1
evmos
ethereum virtual machine
cosmos network
vulnerability
clawback account
precompile
ante handler
cosmos sdk module
fix
18.0.0

3.5 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

6.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

Evmos is the Ethereum Virtual Machine (EVM) Hub on the Cosmos Network. Preliminary checks on actions computed by the clawback vesting accounts are performed in the ante handler. Evmos core, implements two different ante handlers: one for Cosmos transactions and one for Ethereum transactions. Checks performed on the two implementation are different. The vulnerability discovered allowed a clawback account to bypass Cosmos ante handler checks by sending an Ethereum transaction targeting a precompile used to interact with a Cosmos SDK module. This vulnerability is fixed in 18.0.0.

CNA Affected

[
  {
    "vendor": "evmos",
    "product": "evmos",
    "versions": [
      {
        "version": "< 18.0.0",
        "status": "affected"
      }
    ]
  }
]

3.5 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

6.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

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