CVE-2023-24585 : What You Need to Know

This CVE-2023-24585 was published by Talos on November 14, 2023. It involves an out-of-bounds write vulnerability in the HTTP Server functionality of Weston Embedded uC-HTTP v3.01.01, allowing memory corruption through a specially crafted network packet.

Understanding CVE-2023-24585

This section dives deeper into the details of CVE-2023-24585 to help you understand the impact, technical aspects, and mitigation strategies associated with this vulnerability.

What is CVE-2023-24585?

CVE-2023-24585 is an out-of-bounds write vulnerability present in the HTTP Server functionality of Weston Embedded uC-HTTP v3.01.01. It can be exploited by an attacker sending a specially crafted network packet to trigger memory corruption.

The Impact of CVE-2023-24585

With a CVSSv3.1 base score of 7.7, CVE-2023-24585 poses a high risk. The vulnerability's confidentiality impact is rated as low, while its integrity and availability impacts are both high. An attacker could leverage this flaw to launch network-based attacks leading to memory corruption.

Technical Details of CVE-2023-24585

Understanding the technical aspects of CVE-2023-24585, including the vulnerability description, affected systems and versions, and the exploitation mechanism, is crucial for effective mitigation.

Vulnerability Description

The vulnerability involves an out-of-bounds write issue in the HTTP Server functionality of Weston Embedded uC-HTTP v3.01.01. An attacker can exploit this by sending a specially crafted network packet, resulting in memory corruption.

Affected Systems and Versions

The following systems and versions are affected by CVE-2023-24585:

Vendor: Silicon Labs
Product: Gecko Platform
Version: 4.3.1.0
Vendor: Weston Embedded
Product: Cesium NET
Version: 3.07.01
Vendor: Weston Embedded
Product: uC-HTTP
Version: v3.01.01

Exploitation Mechanism

An attacker can exploit CVE-2023-24585 by sending a specially crafted network packet to the vulnerable HTTP Server functionality, triggering an out-of-bounds write operation that leads to memory corruption.

Mitigation and Prevention

Taking immediate steps to mitigate the risks posed by CVE-2023-24585 and adopting long-term security practices are essential to secure affected systems and prevent exploitation.

Immediate Steps to Take

Organizations should apply security patches provided by the vendors promptly.
Network monitoring tools can help detect malicious activity exploiting this vulnerability.
Implementing proper firewall rules and access controls can limit exposure to potential attacks.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security audits and assessments to identify weaknesses in network configurations.
Provide regular security awareness training to employees to recognize and report suspicious activities.

Patching and Updates

Vendors like Silicon Labs and Weston Embedded may release patches or updates to address CVE-2023-24585. It is crucial for organizations to apply these patches as soon as they are made available to mitigate the risk of exploitation.