CVE-2023-21274 : Exploit Details and Defense Strategies

This CVE record was assigned by Google Android and was published on August 14, 2023. The vulnerability affects Android versions 13, 12L, and 12. It involves a possible out-of-bounds read in convertSubgraphFromHAL of ShimConverter.cpp, leading to local information disclosure without the need for additional execution privileges or user interaction.

Understanding CVE-2023-21274

This section will delve into what CVE-2023-21274 entails and its potential impact on affected systems.

What is CVE-2023-21274?

CVE-2023-21274 refers to a vulnerability in Android versions 13, 12L, and 12, specifically in the convertSubgraphFromHAL function of ShimConverter.cpp. The issue arises from a missing bounds check, potentially allowing for an out-of-bounds read exploit.

The Impact of CVE-2023-21274

The impact of CVE-2023-21274 is local information disclosure, where an attacker could gain access to sensitive data without requiring any additional execution privileges or user interaction. This could pose a significant risk to user privacy and data security.

Technical Details of CVE-2023-21274

In this section, we will explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism of CVE-2023-21274.

Vulnerability Description

The vulnerability involves a missing bounds check in convertSubgraphFromHAL of ShimConverter.cpp, leading to a potential out-of-bounds read. This flaw could be exploited to disclose local information without the need for user interaction.

Affected Systems and Versions

Android versions 13, 12L, and 12 are affected by CVE-2023-21274. Users of these versions should take immediate steps to mitigate the risk posed by this vulnerability.

Exploitation Mechanism

The vulnerability in CVE-2023-21274 can be exploited to perform local information disclosure without requiring any additional execution privileges. Attackers could leverage this flaw to access sensitive data on affected systems.

Mitigation and Prevention

To safeguard systems from CVE-2023-21274, it is crucial to follow recommended mitigation strategies and implement necessary preventive measures.

Immediate Steps to Take

Users of affected Android versions should apply security patches or updates provided by Google Android promptly to address the vulnerability and prevent potential exploitation.

Long-Term Security Practices

In addition to applying immediate patches, maintaining a proactive approach to cybersecurity, such as regular system updates, security audits, and employee awareness training, can help enhance overall security posture and mitigate future risks.

Patching and Updates

Google Android has released patches addressing CVE-2023-21274. Users are advised to install these patches without delay to eliminate the vulnerability and ensure the protection of their devices and data.