CVE-2018-5835 : What You Need to Know

Android for MSM, Firefox OS for MSM, QRD Android by Qualcomm, Inc. are affected by a buffer overflow vulnerability in the Linux kernel.

Understanding CVE-2018-5835

This CVE identifies a buffer overflow issue in Android releases from CAF using the Linux kernel, impacting Qualcomm products.

What is CVE-2018-5835?

If the length of seq_len exceeds CSR_MAX_RSC_LEN, a buffer overflow may occur in the __wlan_hdd_cfg80211_add_key() function, affecting various Qualcomm products.

The Impact of CVE-2018-5835

The vulnerability could allow an attacker to trigger a buffer overflow, potentially leading to arbitrary code execution or system crashes.

Technical Details of CVE-2018-5835

Android for MSM, Firefox OS for MSM, QRD Android are affected by this vulnerability.

Vulnerability Description

The issue arises when seq_len surpasses CSR_MAX_RSC_LEN, causing a buffer overflow in the __wlan_hdd_cfg80211_add_key() function.

Affected Systems and Versions

All Android releases from CAF using the Linux kernel

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting specific input to trigger the buffer overflow.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2018-5835.

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor vendor security bulletins for updates and advisories.

Long-Term Security Practices

Implement secure coding practices to prevent buffer overflows.
Regularly update and patch systems to address known vulnerabilities.

Patching and Updates

Ensure all affected systems are updated with the latest security patches to mitigate the CVE-2018-5835 vulnerability.