CVE Vulnerability

CVE-2019-15608

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.9 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://hackerone.com/reports/703138 Exploit Mitigation
https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297ad1c
https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190
Configurations

Configuration 1

cpe:2.3:a:yarnpkg:yarn:*:*:*:*:*:*:*:*
Information

Published : 2020-03-15 06:15

Updated : 2020-03-21 01:15

NVD link : CVE-2019-15608

Mitre link : CVE-2019-15608

Products Affected
No products.
CWE
CWE-367