CVE-2021-22133 : Security Advisory and Response
Learn about CVE-2021-22133, a vulnerability in Elastic APM Agent for Go versions before 1.11.0, allowing leakage of sensitive HTTP header information during application panic.
Elastic APM Agent for Go versions before 1.11.0 has a vulnerability that can leak sensitive HTTP header information during an application panic.
Understanding CVE-2021-22133
This CVE identifies a security issue in the Elastic APM Agent for Go that can potentially expose sensitive HTTP header details.
What is CVE-2021-22133?
The vulnerability in the Elastic APM agent for Go versions before 1.11.0 allows sensitive HTTP header information to be leaked during an application panic, bypassing the usual sanitization process.
The Impact of CVE-2021-22133
If exploited, this vulnerability could lead to the exposure of sensitive information contained in HTTP headers, compromising the security and confidentiality of applications.
Technical Details of CVE-2021-22133
The following details outline the specifics of this security vulnerability.
Vulnerability Description
The issue arises due to the failure of the APM agent to sanitize sensitive HTTP header details during an application panic, potentially exposing this information.
Affected Systems and Versions
- Product: Elastic APM Agent for Go
- Vendor: Elastic
- Versions Affected: Before 1.11.0
Exploitation Mechanism
During an application panic, HTTP headers are not properly sanitized, leading to the inadvertent exposure of sensitive information.
Mitigation and Prevention
To address the CVE-2021-22133 vulnerability, consider the following mitigation strategies.
Immediate Steps to Take
- Upgrade to version 1.11.0 or later of the Elastic APM Agent for Go to prevent information leakage.
- Monitor for any unusual activities that might indicate exploitation of this vulnerability.
Long-Term Security Practices
- Regularly update and patch the APM agent to ensure protection against known vulnerabilities.
- Implement comprehensive logging and monitoring to detect and respond to security incidents promptly.
Patching and Updates
Stay informed about security updates and advisories from Elastic to protect your systems from potential threats.