Overview
The vulnerability, identified as CVE-2023-33116, is a significant security flaw that occurs while parsing ieee80211_parse_mscs_ie in WIN WLAN driver. It affects various wireless devices using this driver and could lead to a potential system compromise or data leakage. The severity of this vulnerability is highlighted by its high CVSS Severity score of 7.5, indicating the need for immediate attention and mitigation.
Vulnerability Summary
CVE ID: CVE-2023-33116
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
WIN WLAN driver | All versions prior to patch
How the Exploit Works
The exploit takes advantage of the vulnerability in the ieee80211_parse_mscs_ie function in the WIN WLAN driver. The attacker sends a specially crafted packet that, when processed by this function, triggers a denial of service (DoS) condition due to improper handling of input validation. This could potentially lead to a system compromise or data leakage.
Conceptual Example Code
Here is a conceptual example of exploiting the vulnerability:
#!/bin/bash
# Craft a malicious packet
malicious_packet=$(printf '...\x00')
# Send the malicious packet
echo -n "$malicious_packet" | nc -u -w1 target.example.com 12345This example demonstrates sending a malicious packet to the target system. The packet is crafted in such a way that it triggers the vulnerability in the ieee80211_parse_mscs_ie function, leading to the aforementioned consequences. Please note that this is a conceptual example and may not work in actual scenarios without modifications.