CVE-2020-5233— Open Redirect in OAuth2 Proxy
Quick assessment
Affected
pusher OAuth2 Proxy
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.
OAuth2 Proxy 5.0之前版本中存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。
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I. Basic Information for CVE-2020-5233
Vulnerability Information
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Vulnerability Title
Open Redirect in OAuth2 Proxy
Source: CVE Program / CVE List V5
Vulnerability Description
OAuth2 Proxy before 5.0 has an open redirect vulnerability. Authentication tokens could be silently harvested by an attacker. This has been patched in version 5.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
OAuth2 Proxy 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OAuth2 Proxy 5.0之前版本中存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。
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 |
|---|---|---|---|---|
| pusher | OAuth2 Proxy | < 5.0.0 | - |
|
II. Public POCs for CVE-2020-5233
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2020-5233 (1)
Vendor Advisories for CVE-2020-5233 (1)
-
https://github.com/pusher/oauth2_proxy/security/advisories/GHSA-qqxw-m5fj-f7gv x_refsource_CONFIRM
Other References for CVE-2020-5233 (1)
-
https://github.com/pusher/oauth2_proxy/releases/tag/v5.0.0 x_refsource_MISC
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V. Comments for CVE-2020-5233
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