A vulnerability classified as problematic was found in Yarn up to 1.18.x. This vulnerability affects an unknown code of the component Package Integrity Validation. The manipulation with an unknown input leads to a logic error vulnerability. The CWE definition for the vulnerability is CWE-840. As an impact it is known to affect integrity. CVE summarizes:

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. This issue is fixed in 1.19.0.

The weakness was shared 03/15/2020. This vulnerability was named CVE-2019-15608 since 08/26/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.19.0 eliminates this vulnerability.

Productinfo

Name

• Yarn

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18

License

• open-source

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CPE 2.2info

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