CVE-2023-51107 : Vulnerability Insights and Analysis
Discover the impact and technical details of CVE-2023-51107, a floating point exception vulnerability in mupdf 1.23.4 that could lead to denial of service or code execution. Learn about mitigation strategies and the importance of updates.
A floating point exception (divide-by-zero) vulnerability was discovered in mupdf 1.23.4 in functon compute_color() of jquant2.c.
Understanding CVE-2023-51107
This CVE discloses a vulnerability in mupdf 1.23.4 that can lead to a floating point exception due to divide-by-zero error.
What is CVE-2023-51107?
The CVE-2023-51107 is a specific vulnerability found in the function compute_color() of jquant2.c in mupdf 1.23.4, potentially allowing exploitation.
The Impact of CVE-2023-51107
This vulnerability could be exploited by a remote attacker to cause a denial of service or potentially execute arbitrary code on the targeted system.
Technical Details of CVE-2023-51107
This section will cover the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability in mupdf 1.23.4 arises due to a floating point exception triggered by a divide-by-zero error in the compute_color() function of jquant2.c.
Affected Systems and Versions
All versions of mupdf 1.23.4 are affected by this CVE.
Exploitation Mechanism
An attacker can exploit this vulnerability by crafting a malicious input to trigger the divide-by-zero error in the compute_color() function, leading to a denial of service or potential code execution.
Mitigation and Prevention
In this section, we will discuss the immediate steps to take, long-term security practices, and the importance of patching and updates.
Immediate Steps to Take
Users are advised to update to the latest patched version of mupdf to prevent exploitation of this vulnerability. Additionally, restricting network access to vulnerable systems can mitigate the risk of remote attacks.
Long-Term Security Practices
Implementing secure coding practices, conducting regular security audits, and staying informed about security updates for all software components are essential long-term security measures.
Patching and Updates
Regularly updating mupdf and other software to the latest versions, especially after security patches are released, is crucial to maintaining the security of systems and data.