CVE-2017-11080 : What You Need to Know

Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF using the Linux kernel are affected by a buffer overflow vulnerability when processing user-supplied sparse images.

Understanding CVE-2017-11080

This CVE identifies a buffer overflow vulnerability in various Android versions that can be exploited through the processing of user-supplied sparse images.

What is CVE-2017-11080?

If a user provides a sparse image with a sparse header block size of 4294967296, a buffer overflow vulnerability may occur during image processing. The affected versions include Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from CAF using the Linux kernel.

The Impact of CVE-2017-11080

The vulnerability poses a risk of buffer overflow during the processing of user-supplied sparse images, potentially leading to unauthorized access or system compromise.

Technical Details of CVE-2017-11080

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from a buffer overflow issue when handling sparse images with a specific header block size, potentially leading to security breaches.

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

The vulnerability is exploited by supplying a sparse image with a specific header block size, triggering the buffer overflow during image processing.

Mitigation and Prevention

Protecting systems from CVE-2017-11080 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Avoid processing untrusted or unknown sparse images.
Monitor system logs for any suspicious activities related to image processing.

Long-Term Security Practices

Implement secure coding practices to prevent buffer overflow vulnerabilities.
Conduct regular security assessments and audits to identify and address potential vulnerabilities.
Educate users on safe image processing practices to mitigate risks.

Patching and Updates

Regularly check for security updates and patches from Qualcomm, Inc. for the affected products and versions to address the vulnerability effectively.