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.
References
Link | Resource |
---|---|
https://hackerone.com/reports/703138 | Exploit Mitigation Third Party Advisory |
https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297ad1c | |
https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190 |
Configurations
Information
Published : 2020-03-15 11:15
Updated : 2020-03-20 18:15
NVD link : CVE-2019-15608
Mitre link : CVE-2019-15608
JSON object : View
CWE
CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
Products Affected
yarnpkg
- yarn