Null Pointer Dereference in Binaryen Affects WebAssembly Processing
CVE-2019-15759

6.5MEDIUM

Key Information:

Vendor

Webassembly

Status
Binaryen
Vendor
CVE Published:
29 August 2019

What is CVE-2019-15759?

A vulnerability in Binaryen 1.38.32 allows for a NULL pointer dereference, resulting in potential denial-of-service conditions. The flaw occurs in the ir/ExpressionManipulator.cpp, where crafted inputs can lead to segmentation faults during the wasm::LocalSet::finalize process in wasm/wasm.cpp. This vulnerability poses significant risks when processing WebAssembly inputs, demonstrating the need for enhanced security measures.

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References

https://github.com/WebAssembly/binaryen/issues/2288
x_refsource_MISC
https://github.com/WebAssembly/binaryen/pull/2289
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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