CVE-2019-15608
MEDIUM
5.9
CVSS Score
Published: March 15, 2020 at 05:08 PM UTC
Updated: June 17, 2026 at 02:20 AM UTC
1 product affected across 1 vendorYarn
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Severity
MEDIUM5.9
Exploit prediction
EPSS 2%
Description
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISC
Source: [email protected]
https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190x_refsource_MISC
Source: [email protected]
https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297ad1cx_refsource_MISCExploitMitigationThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/703138CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-840CWE-367
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