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CVE-2021-4294— OpenShift OSIN CheckClientSecret timing discrepancy

Quick assessment

Affected
OpenShift OSIN
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.

Red Hat OpenShift是美国红帽（Red Hat）公司的一款平台即服务（PaaS）云计算平台，它支持构建、测试、部署和运行应用程序。 Red Hat OpenShift OSIN存在安全漏洞，该漏洞源于对secret参数的错误操作导致了明显的时间差异。

CVSS 2.6 · Low EPSS 0.68% · P50

Possible ATT&CK Techniques 1 AI

T1595 · Active Scanning
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I. Basic Information for CVE-2021-4294

Vulnerability Information
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Vulnerability Title
OpenShift OSIN CheckClientSecret timing discrepancy
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in OpenShift OSIN. It has been classified as problematic. This affects the function ClientSecretMatches/CheckClientSecret. The manipulation of the argument secret leads to observable timing discrepancy. The name of the patch is 8612686d6dda34ae9ef6b5a974e4b7accb4fea29. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-216987.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat OpenShift 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat OpenShift是美国红帽（Red Hat）公司的一款平台即服务（PaaS）云计算平台，它支持构建、测试、部署和运行应用程序。 Red Hat OpenShift OSIN存在安全漏洞，该漏洞源于对secret参数的错误操作导致了明显的时间差异。
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
OpenShift OSIN n/a -

II. Public POCs for CVE-2021-4294

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III. Intelligence Information for CVE-2021-4294

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Patches & Fixes for CVE-2021-4294 (2)

Vendor Advisories for CVE-2021-4294 (2)

IV. Related Vulnerabilities

Same vendor: OpenShift
Same weakness: CWE-208

V. Comments for CVE-2021-4294

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