CVE-2019-15608

State: Published
Severity: Not scored
Published: Mar 15, 2020
Updated: Aug 5, 2024
Reserved: Aug 26, 2019

Description

The package integrity validation in yarn < 1.19.0 contains a TOCTOU vulnerability where the hash is computed before writing a package to cache. It's not computed again when reading from the cache. This may lead to a cache pollution attack.

Scores

The record has no CVSS score.

Weaknesses

CWE-840 Business Logic Errors (CWE-840)

Affected Products

Product	Versions
yarnn/a	Fixed in 1.19.0Affected

References

https://hackerone.com/reports/703138
https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297ad1c
https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190

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