CVE-2020-11308 : Security Advisory and Response
Learn about CVE-2020-11308, a buffer overflow vulnerability in Qualcomm Snapdragon products, allowing attackers to execute arbitrary code. Find mitigation steps and patch information.
A buffer overflow vulnerability affecting multiple Qualcomm Snapdragon products.
Understanding CVE-2020-11308
What is CVE-2020-11308?
This CVE involves a buffer overflow issue that occurs during the conversion of ASCII strings to Unicode strings in various Qualcomm Snapdragon products.
The Impact of CVE-2020-11308
The vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the buffer overflow.
Technical Details of CVE-2020-11308
Vulnerability Description
The vulnerability arises from improper validation of array index in the BOOT process.
Affected Systems and Versions
- Products: Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, Voice & Music
- Versions: APQ8009, AQT1000, AR8031, AR8035, and many more
Exploitation Mechanism
Attackers can trigger the buffer overflow by providing an ASCII string larger than the buffer can accommodate, leading to memory corruption.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by Qualcomm promptly
- Monitor Qualcomm's security bulletins for updates
Long-Term Security Practices
- Regularly update firmware and software on affected devices
- Implement network security measures to detect and prevent buffer overflow attacks
Patching and Updates
Qualcomm has released patches addressing the CVE-2020-11308 vulnerability to mitigate the risk of exploitation.