CVE-2019-25050 : What You Need to Know

GDAL versions 2.4.2 to 3.0.4 are affected by a stack-based buffer overflow vulnerability in functions related to netCDF.

Understanding CVE-2019-25050

This CVE involves a vulnerability in GDAL versions 2.4.2 to 3.0.4 that could be exploited by attackers.

What is CVE-2019-25050?

The versions of GDAL, ranging from 2.4.2 to 3.0.4, contain a stack-based buffer overflow vulnerability in the functions nc4_get_att and uffd_cleanup, associated with netCDF.

The Impact of CVE-2019-25050

This vulnerability could allow remote attackers to execute arbitrary code or cause a denial of service (DoS) condition.

Technical Details of CVE-2019-25050

GDAL versions 2.4.2 to 3.0.4 are susceptible to a stack-based buffer overflow vulnerability.

Vulnerability Description

The vulnerability exists in the functions nc4_get_att and uffd_cleanup, which are invoked by specific actions within netCDFDataset.

Affected Systems and Versions

GDAL versions 2.4.2 to 3.0.4

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious netCDF files to trigger the buffer overflow.

Mitigation and Prevention

To address CVE-2019-25050, follow these steps:

Immediate Steps to Take

Update GDAL to a non-vulnerable version.
Implement proper input validation to prevent buffer overflows.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Conduct security assessments and code reviews to identify and mitigate similar issues.

Patching and Updates

Apply patches provided by GDAL to fix the buffer overflow vulnerability.