Arbitrary Filesystem Write Vulnerability in Yarn by Yarnpkg
CVE-2020-8131

7.5HIGH

Key Information:

Vendor

Yarnpkg

Status
Yarn
Vendor
CVE Published:
24 February 2020

What is CVE-2020-8131?

A vulnerability exists in Yarn prior to version 1.22.0, allowing attackers to write to arbitrary locations on the filesystem. This can be exploited by tricking users into installing compromised packages, which could lead to unauthorized access and execution of malicious code. This highlights the need for developers and users in the Node.js ecosystem to ensure they use the latest versions of Yarn to mitigate potential risks.

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Deploy the Patch

Affected Version(s)

yarn Fixed Version: 1.22.0

References

https://hackerone.com/reports/730239
x_refsource_MISC
https://github.com/yarnpkg/yarn/pull/7831
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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