Multiple vulnerabilities in Argo CD

Published: 2022-07-15

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-31105 CVE-2022-31102
CWE-ID	CWE-295 CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Argo CD Web applications / Modules and components for CMS
Vendor	Argo

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Certificate Validation

EUVDB-ID: #VU65366

Risk: High

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-31105

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper server certificate verification. A remote attacker can cause Argo CD to trust a malicious (or otherwise untrustworthy) OIDC provider.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Argo CD: 0.4.0 - 2.4.5

CPE2.3

External links

https://github.com/argoproj/argo-cd/security/advisories/GHSA-7943-82jg-wmw5
https://github.com/argoproj/argo-cd/releases/tag/v2.3.6
https://github.com/argoproj/argo-cd/releases/tag/v2.4.5

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Cross-site scripting

EUVDB-ID: #VU65367

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-31102

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the /auth/callback page. A remote user can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.