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Vulnerability DatabaseCVE-2021-46050

CVE-2021-46050: 
NixOS vulnerability analysis and mitigation

Overview

A Stack Overflow vulnerability was discovered in Binaryen version 103 via the printf_common function (GitHub Issue). The vulnerability was reported on December 14, 2021, and affects the core functionality of the Binaryen WebAssembly compiler and toolchain infrastructure.

Technical details

The vulnerability manifests as a stack overflow condition in the printfcommon function, which can lead to a segmentation fault. When triggered, the issue causes a crash in the _vfprintf_internal function at vfprintf-internal.c:1289. The vulnerability is exposed through the wasm-ctor-eval binary and involves the WasmBinaryBuilder component (GitHub Issue). The CVSS v3.1 base score is 5.5 MEDIUM (Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) (NVD).

Impact

The vulnerability can lead to a denial of service condition through application crashes. When successfully exploited, it affects the availability of the system by causing segmentation faults, but does not appear to impact confidentiality or integrity (NVD).

Mitigation and workarounds

The vulnerability affects Binaryen version 103. Users should upgrade to a newer version of Binaryen that contains the fix for this vulnerability (NVD).

Additional resources

Source: This report was generated using AI

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