The package integrity validation in yarn < 1.19.0 contains a TOCTOU vulnerability where the hash is computed before writing a package to…
hackerone·CWE-840·Published 2020-03-15
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.
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.
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 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.
La comprobación de integridad del paquete en yarn versiones anteriores a 1.19.0, contiene una vulnerabilidad TOCTOU donde se calcula el hash antes de escribir un paquete en caché. No se vuelve a calcular cuando se lee desde la caché. Esto puede conllevar a un ataque de contaminación de caché.
| Version | Type | Source | Base | Exp | Impact | Vector |
|---|---|---|---|---|---|---|
| 2.0 | Primary | NVD | 4.3 | 8.6 | 2.9 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| 3.1 | Primary | NVD | 5.9 | 2.2 | 3.6 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| 3.1 | Secondary | GHSA | 5.9 | — | — | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |