CVE-2023-33081 Explained : Impact and Mitigation
Learn about CVE-2023-33081, a buffer over-read vulnerability in WLAN Firmware on various Qualcomm Snapdragon platforms leading to Transient DOS attacks. Find out about the impact, affected systems, and mitigation steps.
A buffer over-read vulnerability in WLAN Firmware affecting multiple Qualcomm Snapdragon platforms leading to Transient DOS while converting TWT (Target Wake Time) frame parameters in the OTA broadcast.
Understanding CVE-2023-33081
This CVE involves a security issue in WLAN Firmware on various Qualcomm Snapdragon platforms that could result in a Transient Denial of Service (DOS) attack during the conversion of TWT frame parameters in the Over-The-Air (OTA) broadcast.
What is CVE-2023-33081?
The CVE-2023-33081 vulnerability is classified as a buffer over-read in WLAN Firmware. The vulnerability affects a wide range of Qualcomm Snapdragon platforms and potentially allows for a Transient DOS attack.
The Impact of CVE-2023-33081
The impact of this vulnerability is considered high with a CVSS base score of 7.5. It could lead to a Transient DOS situation, affecting the availability of devices utilizing the affected Qualcomm Snapdragon platforms.
Technical Details of CVE-2023-33081
This section details the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability involves a buffer over-read in WLAN Firmware, affecting Qualcomm Snapdragon platforms during the conversion of TWT frame parameters that could be exploited to trigger a Transient DOS condition.
Affected Systems and Versions
The impacted systems include a wide range of Qualcomm Snapdragon platforms such as Snapdragon 8 Gen 2 Mobile Platform, Snapdragon X55 5G Modem-RF System, and many more.
Exploitation Mechanism
The vulnerability can be exploited by manipulating the TWT frame parameters in the OTA broadcast, causing a buffer over-read that leads to the Transient DOS condition.
Mitigation and Prevention
To address CVE-2023-33081, immediate steps should be taken along with long-term security practices and timely patching.
Immediate Steps to Take
Users and organizations should apply updates and fixes provided by Qualcomm to mitigate the risk of exploitation and potential DOS attacks on affected devices.
Long-Term Security Practices
Implementing strong network security measures and staying informed about security bulletins and patches can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly checking for firmware updates and security advisories from Qualcomm is crucial to ensure that devices remain protected against known vulnerabilities.