Learn about CVE-2018-19542, a flaw in JasPer 2.0.14 that allows a denial of service by dereferencing a NULL pointer. Find out how to mitigate this vulnerability.
A flaw in JasPer 2.0.14 allows for a denial of service by dereferencing a NULL pointer.
Understanding CVE-2018-19542
This CVE entry describes a vulnerability in JasPer 2.0.14 that can lead to a denial of service attack.
What is CVE-2018-19542?
CVE-2018-19542 is a vulnerability found in JasPer 2.0.14, specifically in the function jp2_decode in libjasper/jp2/jp2_dec.c. The issue arises from a NULL pointer dereference, which can be exploited to cause a denial of service.
The Impact of CVE-2018-19542
The vulnerability allows attackers to trigger a denial of service condition by exploiting the NULL pointer dereference in the jp2_decode function of JasPer 2.0.14.
Technical Details of CVE-2018-19542
This section provides more technical insights into the CVE-2018-19542 vulnerability.
Vulnerability Description
The flaw in JasPer 2.0.14 is due to a NULL pointer dereference in the jp2_decode function, which can be abused by attackers to cause a denial of service.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability can be exploited by malicious actors to trigger a denial of service attack by leveraging the NULL pointer dereference in the jp2_decode function.
Mitigation and Prevention
Protecting systems from CVE-2018-19542 requires immediate actions and long-term security practices.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Ensure that the latest patches or updates for JasPer are applied to prevent exploitation of the CVE-2018-19542 vulnerability.