CVE-2021-32662 : Vulnerability Insights and Analysis

TechDocs mkdocs.yml path traversal is a vulnerability found in versions prior to 0.6.3 of

@backstage/techdocs-common

, allowing malicious actors to read sensitive files by manipulating the

docs_dir

path in

mkdocs.yml

.

Understanding CVE-2021-32662

This CVE impacts Backstage's TechDocs functionality, potentially exposing sensitive information to unauthorized individuals.

What is CVE-2021-32662?

In versions below 0.6.3 of

@backstage/techdocs-common

, attackers can exploit a path traversal vulnerability via

mkdocs.yml

to access sensitive files published with TechDocs.

The Impact of CVE-2021-32662

The vulnerability poses a high confidentiality risk by allowing unauthorized access to sensitive files, requiring access to source code and TechDocs backend API for exploitation.

Technical Details of CVE-2021-32662

This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The flaw in

mkdocs.yml

path configuration enables attackers to view sensitive files published through TechDocs.

Affected Systems and Versions

Versions prior to 0.6.3 of

@backstage/techdocs-common

are affected by this vulnerability.

Exploitation Mechanism

Attackers can manipulate the

docs_dir

path in

mkdocs.yml

to gain access to sensitive files via the TechDocs backend API.

Mitigation and Prevention

Discover the steps to remediate and prevent exploitation of CVE-2021-32662.

Immediate Steps to Take

Ensure the

mkdocs.yml

file is secure, limit access to the TechDocs backend API, and update to version 0.6.3 of

@backstage/techdocs-common

.

Long-Term Security Practices

Regularly review and update access controls, monitor TechDocs activities, and conduct security audits to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security patches and update to the latest version of affected software to mitigate the risk of exploitation.