CVE-2023-45208 : Security Advisory and Response
Learn about CVE-2023-45208 affecting D-Link DAP-X1860 repeater, allowing attackers to run shell commands as root. Find mitigation steps and prevention advice.
A command injection vulnerability has been identified in the D-Link DAP-X1860 repeater, allowing attackers to execute shell commands as root. This CVE affects versions 1.00 through 1.01b05-01 of the repeater.
Understanding CVE-2023-45208
This vulnerability enables attackers within the repeater's range to manipulate the setup process via a crafted SSID. Additionally, network names with single quotes can cause a denial of service.
What is CVE-2023-45208?
The CVE-2023-45208 involves a command injection issue in the parsing_xml_stasurvey function within libcgifunc.so of the D-Link DAP-X1860 repeater. This allows unauthorized users to execute commands with root privileges during the repeater setup.
The Impact of CVE-2023-45208
The security flaw can be exploited by attackers within the repeater's vicinity to gain unauthorized access and execute arbitrary shell commands, potentially leading to a complete compromise of the device's security.
Technical Details of CVE-2023-45208
This section covers the specific technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises due to improper handling of user-supplied input in the parsing_xml_stasurvey function, leading to a command injection scenario.
Affected Systems and Versions
The issue affects D-Link DAP-X1860 repeater versions 1.00 through 1.01b05-01.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious SSID while being within range of the repeater, allowing them to execute arbitrary commands as root.
Mitigation and Prevention
Implementing immediate mitigation steps and long-term security practices is crucial to protecting systems.
Immediate Steps to Take
Immediately update the repeater to a patched version, if available. Avoid exposing the device to untrusted networks and implement network segmentation to minimize the impact of potential attacks.
Long-Term Security Practices
Regularly monitor for security updates from the vendor, apply patches promptly, and conduct security audits to identify and mitigate vulnerabilities proactively.
Patching and Updates
Vendor patches play a crucial role in addressing security vulnerabilities. Stay informed about patch releases and ensure timely application to safeguard against known threats.