CVE-2023-48340 : What You Need to Know
Discover how CVE-2023-48340 impacts video decoders, leading to local denial of service attacks due to an out-of-bounds write issue. Learn about affected systems and mitigation strategies.
This article provides details about CVE-2023-48340, a vulnerability discovered in a video decoder leading to a local denial of service attack without requiring additional execution privileges.
Understanding CVE-2023-48340
CVE-2023-48340 involves an out-of-bounds write vulnerability in a video decoder that could potentially result in local denial of service attacks.
What is CVE-2023-48340?
The vulnerability in the video decoder is caused by improper input validation, allowing attackers to trigger a denial of service condition on the system.
The Impact of CVE-2023-48340
Exploiting this vulnerability could lead to local denial of service, disrupting normal system operations without the need for advanced privileges.
Technical Details of CVE-2023-48340
This section covers specific technical information related to CVE-2023-48340.
Vulnerability Description
CVE-2023-48340 is due to an out-of-bounds write issue in the video decoder, resulting from inadequate input validation mechanisms.
Affected Systems and Versions
The vulnerability affects Unisoc products including SC7731E, SC9832E, SC9863A, T310, T606, T612, T616, T610, T618, T760, T770, T820, and S8000 running Android 11 and Android 12.
Exploitation Mechanism
Attackers can exploit this vulnerability to trigger a local denial of service attack by providing crafted input to the video decoder.
Mitigation and Prevention
To safeguard systems from CVE-2023-48340, consider the following mitigation strategies.
Immediate Steps to Take
- Apply vendor-supplied patches promptly to address the vulnerability.
- Monitor for any unusual system behavior that could indicate exploitation attempts.
Long-Term Security Practices
- Implement secure coding practices to ensure proper input validation in software development.
- Conduct regular security assessments to identify and remediate vulnerabilities proactively.
Patching and Updates
Regularly update software and firmware to ensure that known vulnerabilities like CVE-2023-48340 are patched effectively.