CVE-2023-20832 : Vulnerability Insights and Analysis

This CVE record was published on September 4, 2023, and was assigned by MediaTek. The vulnerability involves a possible out of bounds write in gps, which could potentially lead to local escalation of privilege without the need for user interaction. It requires System execution privileges for exploitation. Affected products include a wide range of MediaTek devices and versions.

Understanding CVE-2023-20832

This section delves into the details of CVE-2023-20832, outlining the vulnerability, impact, technical specifics, and mitigation strategies.

What is CVE-2023-20832?

CVE-2023-20832 involves a missing bounds check in gps, which could result in an out of bounds write. This vulnerability has the potential to be exploited for local privilege escalation, requiring System execution privileges for successful attacks.

The Impact of CVE-2023-20832

The impact of this vulnerability is substantial as it could allow attackers to escalate their privileges locally without the need for any user interaction. This can pose a serious security risk to affected systems and devices.

Technical Details of CVE-2023-20832

This section provides a deeper dive into the technical aspects of CVE-2023-20832, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in gps that leads to an out of bounds write could be exploited by threat actors to escalate their privileges locally on affected devices, posing a significant security threat.

Affected Systems and Versions

The vulnerability impacts a wide range of MediaTek products including MT2735, MT6761, MT6762, and various others. Versions such as Android 12.0, 13.0, OpenWrt 1907, 2102, Yocto 2.6, and RDK-B 22Q3 are among those affected.

Exploitation Mechanism

The exploitation of CVE-2023-20832 does not require user interaction and can be leveraged by attackers with System execution privileges to achieve local privilege escalation on the affected MediaTek devices.

Mitigation and Prevention

In order to mitigate the risks associated with CVE-2023-20832, immediate steps need to be taken along with the implementation of long-term security practices and timely patching and updates.

Immediate Steps to Take

Immediate steps should include monitoring for any signs of exploitation, restricting access to potentially vulnerable components, and implementing temporary workarounds if available.

Long-Term Security Practices

Implementing robust security protocols, conducting regular security assessments, and keeping systems up to date with the latest security patches are essential for preventing and mitigating similar vulnerabilities in the future.

Patching and Updates

MediaTek has released Patch ID: ALPS08014144 for this vulnerability. It is crucial for users to apply this patch and stay updated with security bulletins to protect their devices from potential exploitation related to CVE-2023-20832.