CVE-2018-11265 : What You Need to Know

Android for MSM, Firefox OS for MSM, and QRD Android by Qualcomm are affected by a buffer overflow vulnerability due to improper handling of memory allocation.

Understanding CVE-2018-11265

This CVE involves a potential buffer overflow issue in various Android releases developed by CAF using the Linux kernel.

What is CVE-2018-11265?

The vulnerability occurs when incrementing the log_buf of uint64_t type in the memcpy function, leading to potential memory access beyond the allocated size.

The Impact of CVE-2018-11265

The buffer overflow vulnerability could allow attackers to execute arbitrary code, crash systems, or gain unauthorized access to sensitive information.

Technical Details of CVE-2018-11265

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability arises from improper handling of memory allocation when incrementing the log_buf pointer in the memcpy function.

Affected Systems and Versions

Products: Android for MSM, Firefox OS for MSM, QRD Android
Vendor: Qualcomm, Inc.
Versions: All Android releases from CAF using the Linux kernel

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the log_buf pointer to access memory beyond its intended boundaries, potentially leading to a buffer overflow.

Mitigation and Prevention

Protecting systems from CVE-2018-11265 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply security patches provided by Qualcomm or relevant vendors promptly.
Monitor security bulletins and updates from trusted sources for mitigation guidance.
Implement network segmentation and access controls to limit potential attack surfaces.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate users and IT staff on secure coding practices and the importance of timely patching.

Patching and Updates

Regularly update software and firmware to ensure systems are protected against known vulnerabilities.