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.

CVSS v3 5.9 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

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

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2020-03-15 18:15

Updated : 2024-02-04 21:00

NVD link : CVE-2019-15608

Mitre link : CVE-2019-15608

CVE.ORG link : CVE-2019-15608

JSON object : View

Products Affected

yarnpkg

yarn

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

CWE-840

Business Logic Errors

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