Vyper Array Index Overflow Vulnerability Affects 0.3.10 and Earlier Versions
CVE-2024-26149

5.3MEDIUM

Key Information:

Vendor

Vyperlang

Status
Vyper
Vendor
CVE Published:
26 February 2024

What is CVE-2024-26149?

Vyper is a pythonic Smart Contract Language for the ethereum virtual machine. If an excessively large value is specified as the starting index for an array in _abi_decode, it can cause the read position to overflow. This results in the decoding of values outside the intended array bounds, potentially leading to exploitations in contracts that use arrays within _abi_decode. This vulnerability affects 0.3.10 and earlier versions.

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Affected Version(s)

vyper <= 0.3.10

References

https://github.com/vyperlang/vyper/security/advisories/GH...
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CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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