CVE-2019-19316 Explained : Impact and Mitigation
Learn about CVE-2019-19316, a vulnerability in Terraform versions before 0.12.17 that could expose sensitive information over insecure HTTP connections. Find mitigation steps and best practices here.
Before Terraform version 0.12.17, the utilization of Azure backend in conjunction with a shared access signature (SAS) might result in the token and state snapshot being transmitted over an insecure HTTP connection.
Understanding CVE-2019-19316
When using the Azure backend with a shared access signature (SAS), Terraform versions prior to 0.12.17 may transmit the token and state snapshot using cleartext HTTP.
What is CVE-2019-19316?
This CVE highlights a vulnerability in Terraform versions before 0.12.17 that could lead to the transmission of sensitive information over an insecure HTTP connection when utilizing Azure backend with a shared access signature.
The Impact of CVE-2019-19316
The vulnerability could expose the token and state snapshot to potential interception by malicious actors, compromising the confidentiality and integrity of the data transmitted.
Technical Details of CVE-2019-19316
Terraform versions prior to 0.12.17 are affected by this vulnerability.
Vulnerability Description
The issue arises when utilizing the Azure backend with a shared access signature, leading to the transmission of sensitive information over an insecure HTTP connection.
Affected Systems and Versions
- Terraform versions before 0.12.17
Exploitation Mechanism
Attackers could intercept the token and state snapshot transmitted over cleartext HTTP, potentially leading to unauthorized access and data compromise.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Upgrade Terraform to version 0.12.17 or later to mitigate the vulnerability.
- Avoid transmitting sensitive information over insecure connections.
Long-Term Security Practices
- Implement secure communication protocols such as HTTPS for data transmission.
- Regularly monitor and update software to address security vulnerabilities.
Patching and Updates
- Apply patches and updates provided by Terraform to ensure the security of the system and prevent exploitation of vulnerabilities.