CVE-2019-15608
Published: 15 March 2020
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
node-yarnpkg Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Not vulnerable
(1.19.1-1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(1.19.1-1)
|
|
| xenial |
Does not exist
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |