CVE-2023-33105 is a high-severity vulnerability affecting Qualcomm WLAN Host and Firmware. This vulnerability allows for a transient denial-of-service (DoS) condition when a large number of open authentication frames are sent with an invalid transaction sequence number. The CVSS score for this vulnerability is 7.5, indicating high severity and a significant risk to organizations utilizing affected Qualcomm devices.
The potential impact of this vulnerability is significant, as it can lead to service disruptions in wireless connectivity, affecting a wide range of devices that rely on Qualcomm's WLAN technology. Organizations should prioritize patching immediately to mitigate the risk associated with this vulnerability.
As of now, there is no confirmed public exploit available, but the existence of a GitHub repository indicates that exploit code has been developed. Given the potential impact, organizations need to be vigilant and take the necessary steps to protect their systems.
Qualcomm has published advisory details regarding this vulnerability, and organizations are urged to review the security bulletins for further information and guidance.
Vulnerability Details
The vulnerability is characterized as a transient denial-of-service condition that can be triggered under specific circumstances. The official description states that it occurs when a large number of open authentication frames are sent with an invalid transaction sequence number.
The CVSS 3.1 score of 7.5 indicates that this vulnerability possesses a high risk level, which is primarily driven by its availability impact. The attack vector is network-based with low complexity, requiring no user interaction or privileges, making it easier for attackers to exploit.
The affected products include various Qualcomm firmware versions, specifically those related to WLAN operations. Organizations using these devices must assess their current systems against the list of affected products.
Technical Analysis
The root cause of CVE-2023-33105 stems from improper handling of open authentication frames in the WLAN Host and Firmware. The vulnerability allows attackers to flood the system with invalid frames, leading to a denial of service.
The attack vector is through the network, where attackers can leverage the vulnerability without needing physical access to the device. The complexity of the attack is low, meaning that even less sophisticated attackers could exploit this vulnerability.
The required privileges to exploit this vulnerability are none, and user interaction is also not required. The impact on confidentiality and integrity is negligible; however, the availability impact is rated as high, which could lead to significant operational disruptions.
Risk & Impact Analysis
Risk to organizations includes potential downtime and disruption of services reliant on Qualcomm WLAN technology. The ability to send multiple invalid authentication frames could lead to significant network outages, affecting numerous users and devices.
The blast radius of this vulnerability is considerable, given the widespread use of Qualcomm products in various sectors, including telecommunications, consumer electronics, and automotive applications. Organizations should assess their exposure to this vulnerability and take immediate action.
With an EPSS score of 0.02377, this vulnerability falls within the 85th percentile, indicating a relatively low probability of exploitation; however, organizations should not be complacent. The urgency for remediation is high, given the nature of the vulnerability and its potential impact.
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of Qualcomm firmware prior to the vendor's patch are affected. Organizations should ensure that they update all devices using the vulnerable firmware versions.
Mitigation & Remediation
Qualcomm has released patches for the affected firmware versions. Organizations should prioritize updating their devices to the latest firmware versions as soon as possible. In cases where patching is not immediately feasible, implementing network controls to limit exposure to vulnerable devices may serve as a temporary workaround.
For further details on securing your systems and validating fixes, organizations can refer to penetration testing as a method for identifying similar vulnerabilities.
Detection Guidance
To detect potential exploitation of CVE-2023-33105, organizations should monitor log indicators for unusual patterns of failed authentication attempts, network traffic anomalies, and high levels of authentication frame transmissions. Additionally, monitoring for behavioral anomalies in device performance may provide early warnings of exploitation attempts.
AppSecure Threat Intelligence Insight
The emergence of CVE-2023-33105 highlights a growing trend in vulnerabilities related to denial of service in networking devices. Security teams should remain vigilant and proactive in identifying devices affected by similar vulnerabilities.
For organizations utilizing Qualcomm devices, implementing a robust penetration testing methodology can help in regularly assessing the security posture and identifying vulnerabilities before they can be exploited.
Moreover, as organizations increasingly rely on wireless technologies, understanding the implications of vulnerabilities such as this is critical for maintaining operational security.
Engaging in continuous security assessments and adapting to emerging threats is essential for defending against vulnerabilities like CVE-2023-33105.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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