Out-of-bounds Buffer Write Vulnerability in Wasmi Interpreter
CVE-2024-28123

9.8CRITICAL

Key Information:

Vendor

Wasmi-labs

Status
Wasmi
Vendor
CVE Published:
21 March 2024

What is CVE-2024-28123?

The Wasmi WebAssembly Interpreter is a lightweight solution designed for constrained and embedded systems. A vulnerability exists whereby an out-of-bounds buffer write occurs if a host invokes a Wasm function with more parameters than the interpreter's default limit of 128. This issue affects interactions from the host to Wasm but does not impact calls made within Wasm itself. The Wasmi team has addressed this security flaw in version 0.31.1, ensuring safer execution of WebAssembly functions. Users are advised to upgrade to this version to mitigate potential risks.

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Affected Version(s)

wasmi >= 0.15.0, <= 0.31.0

References

https://github.com/wasmi-labs/wasmi/security/advisories/G...
x_refsource_CONFIRM
https://github.com/wasmi-labs/wasmi/commit/f7b3200e9f3dc9...
x_refsource_MISC
https://github.com/wasmi-labs/wasmi/releases/tag/v0.31.1
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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