CVE-2019-7151: Null Pointer Dereference
First published: Tue Jan 29 2019(Updated: )
A NULL pointer dereference was discovered in wasm::Module::getFunctionOrNull in wasm/wasm.cpp in Binaryen 1.38.22. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm-opt.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Webassembly Binaryen | <65 | |
| <65 |
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Reference Links
Frequently Asked Questions
What is CVE-2019-7151?
CVE-2019-7151 is a vulnerability that allows an attacker to cause denial-of-service by triggering a NULL pointer dereference in Binaryen 1.38.22.
How severe is CVE-2019-7151?
CVE-2019-7151 has a severity rating of 6.5, which is considered medium.
What software is affected by CVE-2019-7151?
Binaryen 1.38.22 is affected by CVE-2019-7151.
How can an attacker exploit CVE-2019-7151?
An attacker can exploit CVE-2019-7151 by sending a crafted input to wasm::Module::getFunctionOrNull, which triggers a NULL pointer dereference and leads to denial-of-service.
Is there a fix for CVE-2019-7151?
Upgrading to a version above 1.38.22 of Binaryen fixes CVE-2019-7151.
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