CVE-2019-7662 : Vulnerability Insights and Analysis
Learn about CVE-2019-7662 affecting Binaryen version 1.38.22. Remote attackers can exploit a function in the code to trigger a denial of service attack, causing crashes and failed assertions.
An issue was found in Binaryen version 1.38.22 that results in a failure in wasm::WasmBinaryBuilder::getType() function located in wasm-binary.cpp. This vulnerability enables attackers to remotely trigger a denial of service attack, leading to a crash and a failed assertion, by exploiting a manipulated wasm file.
Understanding CVE-2019-7662
This CVE-2019-7662 vulnerability affects Binaryen version 1.38.22, allowing remote attackers to cause a denial of service by exploiting a specific function in the code.
What is CVE-2019-7662?
CVE-2019-7662 is a vulnerability in Binaryen version 1.38.22 that allows remote attackers to trigger a denial of service attack by exploiting a specific function in the code.
The Impact of CVE-2019-7662
This vulnerability can lead to a denial of service condition, causing a crash and a failed assertion when a manipulated wasm file is exploited by attackers.
Technical Details of CVE-2019-7662
Binaryen version 1.38.22 is affected by this vulnerability, impacting the wasm::WasmBinaryBuilder::getType() function in wasm-binary.cpp.
Vulnerability Description
An assertion failure in wasm::WasmBinaryBuilder::getType() in wasm-binary.cpp in Binaryen 1.38.22 allows remote attackers to cause a denial of service via a crafted wasm file.
Affected Systems and Versions
- Product: Binaryen
- Vendor: N/A
- Version: 1.38.22
Exploitation Mechanism
Attackers can exploit a manipulated wasm file to trigger a denial of service attack, resulting in a crash and a failed assertion.
Mitigation and Prevention
To address CVE-2019-7662, follow these steps:
Immediate Steps to Take
- Update Binaryen to a patched version that addresses the vulnerability.
- Monitor for any unusual activity that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions to prevent known vulnerabilities.
- Implement network security measures to detect and block malicious traffic.
Patching and Updates
- Apply patches and updates provided by Binaryen promptly to mitigate the vulnerability and enhance system security.