CVE-2023-24758 : Security Advisory and Response

This CVE record pertains to a vulnerability identified as CVE-2023-24758, which was published on March 1, 2023. The vulnerability was discovered in libde265 v1.0.10 and involves a NULL pointer dereference in the

ff_hevc_put_weighted_pred_avg_8_sse

function at

sse-motion.cc

. This vulnerability could be exploited by attackers to potentially cause a Denial of Service (DoS) through a crafted input file.

Understanding CVE-2023-24758

This section will delve deeper into the details of the CVE-2023-24758 vulnerability.

What is CVE-2023-24758?

The CVE-2023-24758 vulnerability is a NULL pointer dereference issue found in the

ff_hevc_put_weighted_pred_avg_8_sse

function in the libde265 library version 1.0.10. This flaw can be exploited by malicious actors to launch Denial of Service (DoS) attacks using specifically crafted input files.

The Impact of CVE-2023-24758

The impact of CVE-2023-24758 potentially allows threat actors to disrupt the normal functioning of systems by inducing a Denial of Service (DoS) condition through exploitation of the identified vulnerability in libde265 v1.0.10.

Technical Details of CVE-2023-24758

In this section, we will explore the technical aspects related to CVE-2023-24758.

Vulnerability Description

The vulnerability in question, residing in the

ff_hevc_put_weighted_pred_avg_8_sse

function within

sse-motion.cc

of libde265 v1.0.10, results in a NULL pointer dereference. This can be abused by attackers to launch DoS attacks by manipulating input files.

Affected Systems and Versions

The affected software identified in this CVE is libde265 v1.0.10. The specific details regarding affected vendor, product, and versions are not applicable (n/a) as per the available information.

Exploitation Mechanism

The exploitation of CVE-2023-24758 involves crafting a malicious input file to trigger the NULL pointer dereference in the vulnerable function, leading to a potential DoS condition.

Mitigation and Prevention

To secure systems from the risks associated with CVE-2023-24758, appropriate mitigation and prevention measures should be implemented.

Immediate Steps to Take

Immediately applying security updates or patches provided by the libde265 project or relevant software maintainers is crucial to mitigate the risks posed by CVE-2023-24758.

Long-Term Security Practices

Adopting proactive security practices such as regular software updates, vulnerability scanning, and employing robust coding practices can help in bolstering the overall security posture of systems against potential vulnerabilities.

Patching and Updates

Regularly monitoring for security advisories and promptly applying patches released by the software vendors or developers can ensure that systems remain protected against known vulnerabilities like CVE-2023-24758.