CVE-2018-20361 Explained : Impact and Mitigation
Learn about CVE-2018-20361, a flaw in FAAD2 version 2.8.8 allowing unauthorized access to an invalid memory address, leading to denial of service. Find out how to mitigate this vulnerability.
A flaw in the hf_assembly function of the libfaad/sbr_hfadj.c file in Freeware Advanced Audio Decoder 2 (FAAD2) version 2.8.8 allows unauthorized access to an invalid memory address, leading to a denial of service.
Understanding CVE-2018-20361
This CVE entry describes a vulnerability in FAAD2 version 2.8.8 that can result in a denial of service due to an invalid memory address dereference.
What is CVE-2018-20361?
CVE-2018-20361 is a vulnerability in the hf_assembly function of libfaad/sbr_hfadj.c in FAAD2 version 2.8.8. It enables unauthorized access to an invalid memory address, causing a segmentation fault and application crash, leading to a denial of service.
The Impact of CVE-2018-20361
The vulnerability allows attackers to trigger a denial of service condition by exploiting the memory address vulnerability, resulting in application crashes and service disruption.
Technical Details of CVE-2018-20361
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw in the hf_assembly function of libfaad/sbr_hfadj.c in FAAD2 version 2.8.8 allows unauthorized access to an invalid memory address, leading to a denial of service through application crashes.
Affected Systems and Versions
- Product: Freeware Advanced Audio Decoder 2 (FAAD2)
- Version: 2.8.8
Exploitation Mechanism
The vulnerability is exploited by accessing an invalid memory address, causing a segmentation fault and subsequent application crash, resulting in a denial of service.
Mitigation and Prevention
Protecting systems from CVE-2018-20361 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor security advisories for updates and mitigation strategies.
Long-Term Security Practices
- Implement secure coding practices to prevent memory-related vulnerabilities.
- Conduct regular security assessments and audits to identify and address potential vulnerabilities.
Patching and Updates
- Regularly update FAAD2 to the latest version to mitigate known vulnerabilities and ensure system security.