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CVE-2020-15187— Duplicate plugin entries in Helm

Quick assessment

Affected
helm helm
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.

helm是一款Kubernetes包管理器。 Helm 2.16.11 之前版本和3.3.2版本存在安全漏洞，攻击者可利用该漏洞发起本地攻击。

CVSS 3.0 · Low EPSS 1.52% · P74
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I. Basic Information for CVE-2020-15187

Vulnerability Information
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Vulnerability Title
Duplicate plugin entries in Helm
Source: CVE Program / CVE List V5
Vulnerability Description
In Helm before versions 2.16.11 and 3.3.2, a Helm plugin can contain duplicates of the same entry, with the last one always used. If a plugin is compromised, this lowers the level of access that an attacker needs to modify a plugin's install hooks, causing a local execution attack. To perform this attack, an attacker must have write access to the git repository or plugin archive (.tgz) while being downloaded (which can occur during a MITM attack on a non-SSL connection). This issue has been patched in Helm 2.16.11 and Helm 3.3.2. As a possible workaround make sure to install plugins using a secure connection protocol like SSL.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用多个具有重复标识的资源
Source: CVE Program / CVE List V5
Vulnerability Title
helm 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
helm是一款Kubernetes包管理器。 Helm 2.16.11 之前版本和3.3.2版本存在安全漏洞，攻击者可利用该漏洞发起本地攻击。
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
helm helm >= 2.0.0, < 2.16.11 -

II. Public POCs for CVE-2020-15187

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III. Intelligence Information for CVE-2020-15187

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Patches & Fixes for CVE-2020-15187 (1)

Vendor Advisories for CVE-2020-15187 (1)

Same Patch Batch · helm · 2020-09-17 · 4 CVEs total

CVE-2020-15184 3.7 LOW Aliases are never checked in Helm
CVE-2020-15186 3.4 LOW Improper sanitization of plugin names in Helm
CVE-2020-15185 2.2 LOW Duplicated chart entries in Helm

IV. Related Vulnerabilities

Same product: helm
Same vendor: helm
Same weakness: CWE-694

V. Comments for CVE-2020-15187

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