CVE-2023-33116 Explained : Impact and Mitigation
Learn about CVE-2023-33116 affecting Qualcomm Snapdragon products, causing a transient DOS condition due to a buffer over-read in the WLAN host driver. Understand the impact and mitigation steps.
This article provides detailed information about CVE-2023-33116, a vulnerability affecting Qualcomm Snapdragon products.
Understanding CVE-2023-33116
CVE-2023-33116 is a transient denial of service (DOS) vulnerability that occurs while parsing ieee80211_parse_mscs_ie in the WLAN host driver on Qualcomm Snapdragon products.
What is CVE-2023-33116?
The CVE-2023-33116 vulnerability leads to a transient DOS condition due to a buffer over-read that occurs without checking the size of the input in the WLAN host driver, impacting the parsing of ieee80211_parse_mscs_ie.
The Impact of CVE-2023-33116
The impact of this vulnerability is rated as high, with a CVSS v3.1 base score of 7.5. The availability impact is high, but no confidentiality or integrity impacts are associated with this issue. The attack complexity is low, and no user interaction or privileges are required to exploit it.
Technical Details of CVE-2023-33116
This section covers essential technical details surrounding CVE-2023-33116.
Vulnerability Description
The vulnerability arises from a buffer over-read without checking the size of the input in the WLAN host driver.
Affected Systems and Versions
Qualcomm Snapdragon products, including various versions such as AR8035, AR9380, CSR8811, FastConnect series, Flight RB5 5G Platform, Immersive Home Platforms, and many more, are affected by this vulnerability.
Exploitation Mechanism
The exploitation involves triggering the buffer over-read condition related to ieee80211_parse_mscs_ie in the WLAN host driver.
Mitigation and Prevention
In light of CVE-2023-33116, taking immediate and long-term security measures is crucial.
Immediate Steps to Take
Users of affected Qualcomm Snapdragon products should apply relevant security patches and updates provided by Qualcomm promptly. Additionally, implementing network-level protections can help mitigate the risk.
Long-Term Security Practices
Regular security updates, vulnerability scanning, and proactive monitoring of network traffic can enhance overall security posture in the long term.
Patching and Updates
Ensure that all Qualcomm Snapdragon products are updated with the latest firmware and patches released by Qualcomm to address the CVE-2023-33116 vulnerability.