Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / yarn | affected Fixed in 1.19.0 |
CWE
CWE-840
References
- https://hackerone.com/reports/703138
- https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297ad1c
- https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190
ADP enrichment
No English description supplied.