Undefined Behavior in Rust runtime functions

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-ch89-5g45-qwc7. For more information see the GitHub-hosted security advisory...

PT-2023-22821 · Rust +2 · Rust +2

Name of the Vulnerable Software and Affected Versions: Wasmtime versions prior to 6.0.2 Wasmtime versions prior to 7.0.1 Wasmtime versions prior to 8.0.1 Description: Wasmtime's implementation of managing per-instance state contains LLVM-level undefined behavior, which can cause runtime-level...

The vulnerability of the Cranelift compiler (previously Cretonne) for WebAssembly applications, Wasmtime, arises from the execution of operations beyond the buffer boundaries in memory. This vulnerability allows an attacker to execute arbitrary code or cause a service failure.

The vulnerability of the Cranelift compiler previously Cretonne for WebAssembly applications relates to the execution environment. This vulnerability stems from the operation of pushing an instruction out of the buffer into memory when determining linear memory addressing rules. Exploiting this...

GHSA-2QV5-7MW5-J3CG vulnerabilities

Vulnerabilities for packages: wasmtime...

GHSA-2QV5-7MW5-J3CG vulnerabilities

Vulnerabilities for packages: wasmtime...

wasmtime is a fast and secure runtime for WebAssembly. Wasmtime's code generation backend Cranelift has a bug on x86_64 platforms for the WebAssembly `i8x16.select` instruction which will produce the wrong results when the same operand is provided to the instruction and some of the selected indices are greater than 16. There is an off-by-one error in the calculation of the mask to the `pshufb` instruction which causes incorrect results to be returned if lanes are selected from the second vector. This codegen bug has been fixed in Wasmtiem 6.0.1 5.0.1 and 4.0.1. Users are recommended to upgrade to these updated versions. If upgrading is not an option for you at this time you can avoid this miscompilation by disabling the Wasm simd proposal. Additionally the bug is only present on x86_64 hosts. Other platforms such as AArch64 and s390x are not affected.

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GHSA-FF4P-7XRQ-Q5R8 vulnerabilities

Vulnerabilities for packages: zellij, wasmtime...

wasmtime vulnerable to guest-controlled out-of-bounds read/write on x86_64

Impact Wasmtime's code generator, Cranelift, has a bug on x8664 targets where address-mode computation mistakenly would calculate a 35-bit effective address instead of WebAssembly's defined 33-bit effective address. This bug means that, with default codegen settings, a wasm-controlled load/store...

GHSA-FF4P-7XRQ-Q5R8 wasmtime vulnerable to guest-controlled out-of-bounds read/write on x86_64

Impact Wasmtime's code generator, Cranelift, has a bug on x8664 targets where address-mode computation mistakenly would calculate a 35-bit effective address instead of WebAssembly's defined 33-bit effective address. This bug means that, with default codegen settings, a wasm-controlled load/store...

GHSA-XM67-587Q-R2VW vulnerabilities

Vulnerabilities for packages: wasmtime...

GHSA-XM67-587Q-R2VW vulnerabilities

Vulnerabilities for packages: wasmtime...

wasmtime vulnerable to miscompilation of `i8x16.select` with the same inputs on x86_64

Impact Wasmtime's code generation backend, Cranelift, has a bug on x8664 platforms for the WebAssembly i8x16.select instruction which will produce the wrong results when the same operand is provided to the instruction and some of the selected indices are greater than 16. There is an off-by-one...

GHSA-XM67-587Q-R2VW wasmtime vulnerable to miscompilation of `i8x16.select` with the same inputs on x86_64

Impact Wasmtime's code generation backend, Cranelift, has a bug on x8664 platforms for the WebAssembly i8x16.select instruction which will produce the wrong results when the same operand is provided to the instruction and some of the selected indices are greater than 16. There is an off-by-one...

CVE-2023-27477 vulnerabilities

Vulnerabilities for packages: wasmtime...

CVE-2023-27477 vulnerabilities

Vulnerabilities for packages: wasmtime...

AZL-25857 CVE-2023-27477 affecting package rust for versions less than 1.68.2-2

wasmtime is a fast and secure runtime for WebAssembly. Wasmtime's code generation backend, Cranelift, has a bug on x8664 platforms for the WebAssembly i8x16.select instruction which will produce the wrong results when the same operand is provided to the instruction and some of the selected indice...

CVE-2023-27477

wasmtime is a fast and secure runtime for WebAssembly. Wasmtime's code generation backend, Cranelift, has a bug on x8664 platforms for the WebAssembly i8x16.select instruction which will produce the wrong results when the same operand is provided to the instruction and some of the selected indice...

Code injection

wasmtime is a fast and secure runtime for WebAssembly. Wasmtime's code generation backend, Cranelift, has a bug on x8664 platforms for the WebAssembly i8x16.select instruction which will produce the wrong results when the same operand is provided to the instruction and some of the selected indice...

CVE-2023-26489 vulnerabilities

Vulnerabilities for packages: zellij, wasmtime...

CVE-2023-26489

wasmtime is a fast and secure runtime for WebAssembly. In affected versions wasmtime's code generator, Cranelift, has a bug on x8664 targets where address-mode computation mistakenly would calculate a 35-bit effective address instead of WebAssembly's defined 33-bit effective address. This bug mea...