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CVE-2020-8030— skuba: Insecure /tmp usage when joining node to cluster

Quick assessment

Affected
SUSE SUSE CaaS Platform 4.5
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.

SUSE CaaS Platform中存在安全漏洞，该漏洞源于使得本地攻击者能够在处理配置文件之前泄漏bootstrapToken或修改配置文件，从而导致对计算机/集群的任意修改

CVSS 3.6 · Low EPSS 0.25% · P15
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I. Basic Information for CVE-2020-8030

Vulnerability Information
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Vulnerability Title
skuba: Insecure /tmp usage when joining node to cluster
Source: CVE Program / CVE List V5
Vulnerability Description
A Insecure Temporary File vulnerability in skuba of SUSE CaaS Platform 4.5 allows local attackers to leak the bootstrapToken or modify the configuration file before it is processed, leading to arbitrary modifications of the machine/cluster.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的临时文件
Source: CVE Program / CVE List V5
Vulnerability Title
Micro Focus SUSE CaaS Platform 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SUSE CaaS Platform中存在安全漏洞，该漏洞源于使得本地攻击者能够在处理配置文件之前泄漏bootstrapToken或修改配置文件，从而导致对计算机/集群的任意修改
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
SUSE SUSE CaaS Platform 4.5 suba ~ 2.1.7 -

II. Public POCs for CVE-2020-8030

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III. Intelligence Information for CVE-2020-8030

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Vendor Advisories for CVE-2020-8030 (1)

Same Patch Batch · SUSE · 2021-02-11 · 3 CVEs total

CVE-2020-8027 7.3 HIGH openldap uses fixed paths in /tmp
CVE-2020-8029 2.9 LOW skuba: Insecure handling of private key

IV. Related Vulnerabilities

Same product: SUSE CaaS Platform 4.5
Same vendor: SUSE
Same weakness: CWE-377

V. Comments for CVE-2020-8030

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