Learn about CVE-2018-20537, a vulnerability in libLAS 1.8.1 that can lead to a denial of service due to a NULL pointer dereference. Find out how to mitigate and prevent exploitation.
A vulnerability in libLAS 1.8.1 can result in a denial of service due to a NULL pointer dereference at liblas::SpatialReference::GetGTIF() function in spatialreference.cpp.
Understanding CVE-2018-20537
This CVE entry describes a specific vulnerability in libLAS 1.8.1 that can be exploited to cause a denial of service.
What is CVE-2018-20537?
The vulnerability in libLAS 1.8.1 allows for a NULL pointer dereference at the liblas::SpatialReference::GetGTIF() function in spatialreference.cpp, leading to a denial of service.
The Impact of CVE-2018-20537
The vulnerability can be exploited to trigger a denial of service condition on systems running the affected version of libLAS.
Technical Details of CVE-2018-20537
This section provides more technical insights into the CVE-2018-20537 vulnerability.
Vulnerability Description
The vulnerability involves a NULL pointer dereference at the liblas::SpatialReference::GetGTIF() function in spatialreference.cpp within libLAS 1.8.1.
Affected Systems and Versions
Exploitation Mechanism
Exploiting this vulnerability involves triggering the NULL pointer dereference at the specified function in the affected version of libLAS.
Mitigation and Prevention
To address CVE-2018-20537, follow these mitigation and prevention strategies.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Ensure timely application of patches and updates provided by the vendor to mitigate the vulnerability effectively.