CVE-2023-24752: Exploit a NULL pointer dereference in libde265 v1.0.10. Learn impact, mitigation steps, and long-term security practices for this vulnerability.
This CVE record pertains to a vulnerability identified in libde265 v1.0.10, where a NULL pointer dereference was found in the ff_hevc_put_hevc_epel_pixels_8_sse function at sse-motion.cc. This security flaw could be exploited by attackers to trigger a Denial of Service (DoS) by utilizing a specifically crafted input file.
Understanding CVE-2023-24752
This section delves into the specifics of CVE-2023-24752.
What is CVE-2023-24752?
CVE-2023-24752 is a vulnerability present in libde265 v1.0.10 that leads to a NULL pointer dereference in the ff_hevc_put_hevc_epel_pixels_8_sse function at sse-motion.cc. Exploiting this flaw could result in a Denial of Service (DoS) attack when a maliciously manipulated input file is executed.
The Impact of CVE-2023-24752
The impact of CVE-2023-24752 could be significant as attackers could potentially disrupt the availability of the affected system by causing a Denial of Service (DoS) through the exploitation of the identified NULL pointer dereference vulnerability in libde265 v1.0.10.
Technical Details of CVE-2023-24752
This section provides a deeper look into the technical aspects of CVE-2023-24752.
Vulnerability Description
The vulnerability in libde265 v1.0.10 results from a NULL pointer dereference in the ff_hevc_put_hevc_epel_pixels_8_sse function at sse-motion.cc, which attackers can leverage to initiate a Denial of Service (DoS) attack using a specifically crafted input file.
Affected Systems and Versions
The affected component is libde265 v1.0.10. It is important to note that this vulnerability impacts all systems utilizing this particular version of libde265.
Exploitation Mechanism
Attackers can exploit the NULL pointer dereference vulnerability in the ff_hevc_put_hevc_epel_pixels_8_sse function at sse-motion.cc within libde265 v1.0.10 by manipulating input files in a precise manner to trigger a Denial of Service (DoS) attack.
Mitigation and Prevention
In this section, we explore measures to mitigate and prevent the exploitation of CVE-2023-24752.
Immediate Steps to Take
To address CVE-2023-24752, it is recommended to apply security updates or patches provided by the software vendor promptly. Additionally, organizations should review and regulate incoming file inputs to prevent the execution of malicious files that could trigger the vulnerability.
Long-Term Security Practices
Implementing robust security practices, such as regular vulnerability scanning, threat intelligence monitoring, and employee cybersecurity training, can bolster the long-term security posture of an organization and help prevent vulnerabilities like CVE-2023-24752 from being exploited.
Patching and Updates
Regularly updating software components, including promptly applying patches and security updates released by the vendor, is essential to mitigate known vulnerabilities like CVE-2023-24752. Organizations should prioritize a systematic approach to software maintenance to ensure the timely mitigation of security risks.