CVE-2020-11059 : Exploit Details and Defense Strategies

In AEgir greater than or equal to 21.7.0 and less than 21.10.1, aegir publish and aegir build may leak secrets from environment variables in the browser bundle published to npm. This has been fixed in 21.10.1.

Understanding CVE-2020-11059

This CVE involves the exposure of sensitive information to an unauthorized actor in AEgir.

What is CVE-2020-11059?

CVE-2020-11059 is a vulnerability in AEgir versions greater than or equal to 21.7.0 and less than 21.10.1 that could lead to the leakage of secrets from environment variables in the browser bundle published to npm.

The Impact of CVE-2020-11059

The impact of this vulnerability is rated as critical with a CVSS base score of 9.6. It can result in high confidentiality, integrity, and availability impacts.

Technical Details of CVE-2020-11059

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability allows aegir publish and aegir build in AEgir to expose sensitive information from environment variables in the npm-published browser bundle.

Affected Systems and Versions

Product: AEgir
Vendor: IPFS
Versions Affected: >= 21.7.0, < 21.10.1

Exploitation Mechanism

The vulnerability can be exploited by an attacker with network access, requiring no privileges, and user interaction is necessary.

Mitigation and Prevention

To address CVE-2020-11059, follow these mitigation steps:

Immediate Steps to Take

Upgrade AEgir to version 21.10.1 or later.
Avoid exposing sensitive information in environment variables.

Long-Term Security Practices

Regularly review and update security configurations.
Implement secure coding practices to prevent information leakage.

Patching and Updates

Apply patches and updates provided by the vendor to fix the vulnerability.