Heap-based Buffer Over-read in Binaryen Affects Multiple Versions
CVE-2019-7700

6.5MEDIUM

Key Information:

Vendor

Webassembly

Status
Binaryen
Vendor
CVE Published:
10 February 2019

What is CVE-2019-7700?

A heap-based buffer over-read has been identified in the wasm::WasmBinaryBuilder::visitCall function within wasm-binary.cpp in Binaryen version 1.38.22. By providing a specially crafted WebAssembly input, the vulnerability can trigger a segmentation fault, ultimately leading to a denial-of-service scenario. This issue has been documented and discussed in detail in related GitHub discussions.

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References

https://github.com/WebAssembly/binaryen/issues/1864
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

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