CVE-2022-3320— Bypassing Cloudflare Zero Trust policies using warp-cli set-custom-endpoint command
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I. Basic Information for CVE-2022-3320
Vulnerability Information
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Vulnerability Title
Bypassing Cloudflare Zero Trust policies using warp-cli set-custom-endpoint command
Source: NVD (National Vulnerability Database)
Vulnerability Description
It was possible to bypass policies configured for Zero Trust Secure Web Gateway by using warp-cli 'set-custom-endpoint' subcommand. Using this command with an unreachable endpoint caused the WARP Client to disconnect and allowed bypassing administrative restrictions on a Zero Trust enrolled endpoint.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cloudflare WARP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cloudflare WARP（Cloudflare Vpn）是美国Cloudflare公司的一个用于安全连接的客户端应用软件。 Cloudflare WARP Zero Trust Secure Web Gateway存在安全漏洞，该漏洞源于攻击者可以通过使用warp-cli set-custom-endpoint 子命令绕过其配置策略使攻击者实现WARP客户机断开连接，并允许绕过Zero Trust注册端点上的管理限制。
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 |
|---|---|---|---|---|
| Cloudflare | WARP | 0 ~ 2022.8.857.0 | - | |
| Cloudflare | WARP | 0 ~ 2022.8.936 | - | |
| Cloudflare | WARP | 0 ~ 2022.8.861.0 | - |
II. Public POCs for CVE-2022-3320
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Cloudflare · 2022-10-28 · 6 CVEs total
| CVE-2022-3321 | 6.7 MEDIUM | Lock WARP switch feature bypass on WARP mobile client for iOS |
| CVE-2022-3322 | 6.7 MEDIUM | Lock WARP switch bypass on WARP mobile client using iOS quick action |
| CVE-2022-3337 | 6.7 MEDIUM | Lock WARP switch bypass by removing VPN profile on iOS mobile client |
| CVE-2022-3512 | 6.7 MEDIUM | Lock WARP switch bypass using warp-cli 'add-trusted-ssid' command |
| CVE-2022-3616 | 5.4 MEDIUM | OctoRPKI crash when maximum iterations number is reached |
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