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CVE-2021-4435— Yarn: untrusted search path

Quick assessment

Affected
n/a yarn
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.

Yarn是一款开源的软件包安装、管理工具。 Yarn 存在安全漏洞，该漏洞源于存在不可信搜索路径漏洞。

CVSS 7.7 · High EPSS 0.30% · P21

Possible ATT&CK Techniques 1 AI

T1574.004 · Dylib Hijacking
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I. Basic Information for CVE-2021-4435

Vulnerability Information
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Vulnerability Title
Yarn: untrusted search path
Source: CVE Program / CVE List V5
Vulnerability Description
An untrusted search path vulnerability was found in Yarn. When a victim runs certain Yarn commands in a directory with attacker-controlled content, malicious commands could be executed in unexpected ways.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不可信的搜索路径
Source: CVE Program / CVE List V5
Vulnerability Title
Yarn 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yarn是一款开源的软件包安装、管理工具。 Yarn 存在安全漏洞，该漏洞源于存在不可信搜索路径漏洞。
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
- yarn 1.22.13 -
Fedora Fedora - -
Fedora Extra Packages for Enterprise Linux - -

II. Public POCs for CVE-2021-4435

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III. Intelligence Information for CVE-2021-4435

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Patches & Fixes for CVE-2021-4435 (1)

Vendor Advisories for CVE-2021-4435 (2)

Other References for CVE-2021-4435 (1)

Same Patch Batch · n/a · 2024-02-04 · 9 CVEs total

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CVE-2021-46902 Meinberg LANTIME-Firmware 安全漏洞
CVE-2021-46903 Meinberg Funkuhren Meinberg LANTIME-Firmware 安全漏洞
CVE-2024-25089 Malwarebytes Binisoft Windows Firewall Control 安全漏洞

IV. Related Vulnerabilities

Same product: yarn
Same vendor: n/a
Same weakness: CWE-426

V. Comments for CVE-2021-4435

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