PT-2019-18438 · Binaryen · Binaryen

Wcventure · Published 2019-01-29 · Updated 2020-06-08 · CVE-2019-7154

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Binaryen version 1.38.22

Description The issue arises from a heap-based buffer overflow in the main function of tools/wasm2js.cpp due to the misuse of Emscripten. This triggers an error in the cashew::JSPrinter::printAst() function, located in emscripten-optimizer/simple ast.h. A crafted input can cause segmentation faults, leading to denial-of-service.

Recommendations For Binaryen version 1.38.22, consider restricting the use of the wasm2js tool until a patch is available to prevent potential denial-of-service attacks. As a temporary workaround, avoid using crafted inputs that could trigger the heap-based buffer overflow in the tools/wasm2js.cpp file. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-7154

Affected Products

Binaryen

References · 9

• 🔥 https://github.com/WebAssembly/binaryen/issues/1876 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-7154 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-7154 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-7154 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-7154 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-7154 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2019-7154 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-7154 · Security Note
• https://github.com/WebAssembly/binaryen/commit/79a4fbc80d7ffce4cbcfd04315ce3a0efa88d7fa · Note