CVE-2019-8355 : What You Need to Know
Discover the impact of CVE-2019-8355, an integer overflow vulnerability in SoX 14.4.2 leading to a heap-based buffer overflow. Learn how to mitigate and prevent potential attacks.
A problem was found in version 14.4.2 of SoX, leading to a heap-based buffer overflow vulnerability.
Understanding CVE-2019-8355
What is CVE-2019-8355?
An integer overflow in the lsx_valloc macro of SoX 14.4.2 results in a smaller allocated buffer than intended, causing a heap-based buffer overflow.
The Impact of CVE-2019-8355
The vulnerability allows attackers to execute arbitrary code or crash the application, potentially compromising the system.
Technical Details of CVE-2019-8355
Vulnerability Description
The issue arises from an integer overflow in the lsx_valloc macro, leading to a heap-based buffer overflow in the channels_start function within the remix.c file.
Affected Systems and Versions
- Product: SoX
- Vendor: N/A
- Version: 14.4.2
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious input to trigger the buffer overflow, potentially gaining control over the affected system.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor vendor advisories and security mailing lists for updates.
- Implement proper input validation to prevent buffer overflows.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and code reviews to identify and mitigate similar issues.
Patching and Updates
- Refer to the vendor's security advisories for patching instructions and updates.