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CVE-2022-31105— Argo CD's certificate verification is skipped for connections to OIDC providers

Quick assessment

Affected
argoproj argo-cd
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ArgoCD是一个应用软件。用于Kubernetes的声明性GitOps连续交付工具。它持续监控正在运行的应用程序并将当前的实时状态与所需的目标状态（例如 Git 仓库中的配置）进行比较，在 Git 仓库更改时自动同步和部署应用程序。 ArgoCD 0.4.0到2.2.11版本、 2.3.6到 2.4.5版本存在安全漏洞，该漏洞源于容易受到不正确的证书验证错误的影响，这可能导致 Argo CD 信任恶意（或其他不可信的）OpenID Connect (OIDC) 提供者。

CVSS 8.3 · High EPSS 0.77% · P52

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2022-31105

Vulnerability Information
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Vulnerability Title
Argo CD's certificate verification is skipped for connections to OIDC providers
Source: CVE Program / CVE List V5
Vulnerability Description
Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Argo CD starting with version 0.4.0 and prior to 2.2.11, 2.3.6, and 2.4.5 is vulnerable to an improper certificate validation bug which could cause Argo CD to trust a malicious (or otherwise untrustworthy) OpenID Connect (OIDC) provider. A patch for this vulnerability has been released in Argo CD versions 2.4.5, 2.3.6, and 2.2.11. There are no complete workarounds, but a partial workaround is available. Those who use an external OIDC provider (not the bundled Dex instance), can mitigate the issue by setting the `oidc.config.rootCA` field in the `argocd-cm` ConfigMap. This mitigation only forces certificate validation when the API server handles login flows. It does not force certificate verification when verifying tokens on API calls.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
ArgoCD 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ArgoCD是一个应用软件。用于Kubernetes的声明性GitOps连续交付工具。它持续监控正在运行的应用程序并将当前的实时状态与所需的目标状态（例如 Git 仓库中的配置）进行比较，在 Git 仓库更改时自动同步和部署应用程序。 ArgoCD 0.4.0到2.2.11版本、 2.3.6到 2.4.5版本存在安全漏洞，该漏洞源于容易受到不正确的证书验证错误的影响，这可能导致 Argo CD 信任恶意（或其他不可信的）OpenID Connect (OIDC) 提供者。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
argoproj argo-cd >= 0.4.0, < 2.2.11 -

II. Public POCs for CVE-2022-31105

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III. Intelligence Information for CVE-2022-31105

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Vendor Advisories for CVE-2022-31105 (1)

Other References for CVE-2022-31105 (2)

IV. Related Vulnerabilities

Same product: argo-cd
Same vendor: argoproj
Same weakness: CWE-295

V. Comments for CVE-2022-31105

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