SB2021053005 - Information disclosure in Argo CD

Description

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2021-23135)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in web UI of Argo CD. A remote attacker can gain unauthorized access to sensitive information via web UI error messages and logs.

2) Inclusion of Sensitive Information in Log Files (CVE-ID: N/A)

CWE-ID: CWE-532 - Information Exposure Through Log Files

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a local user to disclose sensitive credentials.

The vulnerability exists due to insertion of sensitive information into log files in Argo CD logging when connecting to an authenticated Helm OCI repository. A local user can read pod logs or aggregated log data to disclose sensitive credentials.

User interaction is required.

Remediation

Install update from vendor's website.

References

• https://github.com/argoproj/argo-cd/security/advisories/GHSA-fp89-h8pj-8894
• https://github.com/argoproj/argo-cd/security/advisories/GHSA-6w87-g839-9wv7