1. Home
  2. CVE Database
  3. CVE-2019-15608
MEDIUM · 5.9

CVE-2019-15608

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. Thi...

Vulnerability 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.

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
YarnpkgYarn< 1.19.0

Related Weaknesses (CWE)

CWE-840CWE-367

References

FAQ

What is CVE-2019-15608?

CVE-2019-15608 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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. Thi...

How severe is CVE-2019-15608?

CVE-2019-15608 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-15608?

Check the references section above for vendor advisories and patch information. Affected products include: Yarnpkg Yarn.