Bytecode Alliance Wasmtime security bypass | CVE-2023-27477
NAME
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Bytecode Alliance Wasmtime security bypass
Platforms Affected:
Bytecode Alliance Wasmtime 4.0.0
Bytecode Alliance Wasmtime 5.0.0
Bytecode Alliance Wasmtime 6.0.0
Risk Level:
3.1
Exploitability:
Unproven
Consequences:
Bypass Security
DESCRIPTION
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Bytecode Alliance Wasmtime could allow a remote authenticated attacker to bypass security restrictions, caused by miscompilation of i8x16.select with the same inputs on x86_64 platforms. By sending a specially-crafted request, an attacker could exploit this vulnerability to produce incorrect results for the i8x16.select instruction and cause gust program to behave unexpectedly.
CVSS 3.0 Information
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Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged
Access Vector:
Network
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