CVE-2019-7701
First published: Sun Feb 10 2019(Updated: )
A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm2js.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Webassembly Binaryen | <64 | |
| <64 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this heap-based buffer over-read?
The vulnerability ID is CVE-2019-7701.
What software is affected by this vulnerability?
The affected software is Webassembly Binaryen.
What is the severity of CVE-2019-7701?
The severity of CVE-2019-7701 is medium with a severity value of 6.5.
How can this vulnerability be exploited?
This vulnerability can be exploited by sending a crafted wasm input, leading to a segmentation fault and denial-of-service.
Is there a fix available for this vulnerability?
Yes, the fix for this vulnerability is available in version 1.38.23 or later of Binaryen.
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