CVE-2023-4237: Ansible-core - Exposing Private Key
Summary
CVE-2023-4237: Ansible may expose private key. Affects ansible-core versions >= 2.8.0, <= 2.15.2. No fix is published. How to fix ↓
Also tracked for
- ansible · Debian:11
The same CVE-2023-4237 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
Ansible-core is an open-source automation platform that allows users to automate IT tasks such as configuration management, application deployment, and orchestration. It provides a simple and agentless approach to managing and automating systems. The ec2_key module in Ansible-core is responsible for creating key pairs for EC2 instances. However, a vulnerability in this module exposes the private key directly to the standard output, compromising the system's confidentiality, integrity, and availability.
Vulnerability Detail
The vulnerability (CVE-2023-4237) in Ansible-core allows an attacker to fetch private keys from log files. When creating a new keypair using the ec2_key module, the private key is printed to the standard output. This means that the private key can be easily accessed by an attacker who has access to the log files. The exposure of private keys can lead to unauthorized access, data breaches, and potential compromise of the entire system. The vulnerability affects Ansible-core versions 2.8.0 to 2.15.2.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a workaround, users can modify the ec2_key module to prevent the printing of private keys to the standard output. This can be achieved by commenting out or removing the code responsible for printing the private key. However, this workaround should be considered temporary, and it is strongly advised to apply the official fix by upgrading to a patched version of Ansible-core.
Conclusion
The vulnerability in Ansible-core's ec2_key module exposes private keys, compromising the system's confidentiality, integrity, and availability. Users should upgrade to a patched version of Ansible-core and review log file security. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Ansible-core is an open-source automation platform used for configuration management, application deployment, and orchestration.
The ec2_key module in Ansible-core is responsible for creating key pairs for EC2 instances.
The vulnerability in Ansible-core's ec2_key module allows the private key to be printed directly to the standard output, making it accessible to attackers who have access to the log files.
The exposure of private keys can lead to unauthorized access, data breaches, and potential compromise of the entire system.
To fix this vulnerability, it is recommended to upgrade to a patched version of Ansible-core and secure log files to prevent unauthorized access.
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