Maël Nison

3 exploits Active since Dec 2019
CVE-2019-15608 WRITEUP MEDIUM WRITEUP
yarn < 1.19.0 - TOCTOU Race Condition in Package Integrity Validation
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 5.9
CVE-2019-10773 WRITEUP HIGH WRITEUP
Yarn < 1.21.1 - Arbitrary Symlink Creation via Bin Key
In Yarn before 1.21.1, the package install functionality can be abused to generate arbitrary symlinks on the host filesystem by using specially crafted "bin" keys. Existing files could be overwritten depending on the current user permission set.
CVSS 7.8
CVE-2019-15608 WRITEUP MEDIUM WRITEUP
yarn < 1.19.0 - TOCTOU Race Condition in Package Integrity Validation
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 5.9