CVE-2019-12410 : What You Need to Know

Apache Arrow versions 0.12.0 to 0.14.1 had a flaw that led to uninitialized memory for Array data when reading RLE null data from parquet, affecting various implementations.

Understanding CVE-2019-12410

This CVE involves an uninitialized memory vulnerability in Apache Arrow versions 0.12.0 to 0.14.1, impacting data integrity and security.

What is CVE-2019-12410?

Discovered during an investigation of UBSAN errors in the GitHub repository "apache/arrow"
Flaw resulted in uninitialized memory for Array data when reading RLE null data from parquet
Affected C++, Python, Ruby, and R implementations
Uninitialized memory could be shared if transmitted over the network or stored in streaming IPC and file formats

The Impact of CVE-2019-12410

Risk of information disclosure due to uninitialized memory
Potential data exposure when transmitted or stored

Technical Details of CVE-2019-12410

This section provides technical insights into the vulnerability.

Vulnerability Description

Apache Arrow versions 0.12.0 to 0.14.1 left memory Array data uninitialized
Triggered when reading RLE null data from parquet

Affected Systems and Versions

Apache Arrow 0.12.0 to 0.14.1

Exploitation Mechanism

Uninitialized memory could be shared if transmitted over the network or stored in streaming IPC and file formats

Mitigation and Prevention

Protect systems from CVE-2019-12410 with these strategies.

Immediate Steps to Take

Update Apache Arrow to version 0.15.1 or later
Monitor network traffic for suspicious activities
Implement access controls to limit data exposure

Long-Term Security Practices

Regularly audit and patch software vulnerabilities
Train staff on secure coding practices

Patching and Updates

Apply patches and updates promptly to mitigate vulnerabilities