Heap-Based Buffer Overflow in Binaryen Affects WebAssembly Tools
CVE-2019-7154

6.5MEDIUM

Key Information:

Vendor

Webassembly

Status
Binaryen
Vendor
CVE Published:
29 January 2019

What is CVE-2019-7154?

A vulnerability in Binaryen 1.38.22 creates a heap-based buffer overflow due to improper usage of Emscripten in the wasm2js tool. This flaw can be exploited by providing specially crafted input, which may lead to segmentation faults and potentially result in a denial-of-service condition. The issue manifests in the JSPrinter::printAst() function, exposing WebAssembly applications to significant risk.

References

https://github.com/WebAssembly/binaryen/issues/1876
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.