Multiple vulnerabilities in Argo CD



Published: 2021-03-17
Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2021-26924
CVE-2021-26923
CVE-2021-26921
CWE-ID CWE-79
CWE-200
CWE-613
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Argo CD
Web applications / Modules and components for CMS

Vendor Argo

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU51532

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-26924

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. A remote attacker 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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Argo CD: 1.8.0 - 1.8.3, 1.7.0 - 1.7.11


CPE2.3 External links

http://github.com/argoproj/argo-cd/compare/v1.8.3...v1.8.4
http://github.com/argoproj/argo-cd/security/advisories/GHSA-pg99-h5gc-446r

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Information disclosure

EUVDB-ID: #VU51533

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-26923

CWE-ID: CWE-200 - Information Exposure

Exploit availability: No

Description

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

The vulnerability exists due to excessive data output by the application in "/api/version" endpoint. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Argo CD: 1.7.0 - 1.7.11, 1.8.0 - 1.8.3


CPE2.3 External links

http://github.com/argoproj/argo-cd/compare/v1.8.3...v1.8.4
http://github.com/argoproj/argo-cd/security/advisories/GHSA-pfgj-mh5m-2p48

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

3) Insufficient Session Expiration

EUVDB-ID: #VU51534

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-26921

CWE-ID: CWE-613 - Insufficient Session Expiration

Exploit availability: No

Description

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

The vulnerability exists due to insufficient session expiration issue in util/session/sessionmanager.go. A remote attacker can obtain or guess session token and gain unauthorized access to session that belongs to another user.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Argo CD: 1.7.0 - 1.7.11, 1.8.0 - 1.8.3


CPE2.3 External links

http://github.com/argoproj/argo-cd/commit/f5b0db240b4e3abf18e97f6fd99096b4f9e94dc5
http://github.com/argoproj/argo-cd/compare/v1.8.3...v1.8.4
http://github.com/argoproj/argo-cd/security/advisories/GHSA-9h6w-j7w4-jr52

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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