CVE Vulnerability

CVE-2019-10773

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.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/yarnpkg/yarn/issues/7761#issuecomment-565493023 Exploit Third Party Advisory
https://snyk.io/vuln/SNYK-JS-YARN-537806, Broken Link
https://github.com/yarnpkg/yarn/commit/039bafd74b7b1a88a53a54f8fa6fa872615e90e7 Patch Third Party Advisory
https://blog.daniel-ruf.de/critical-design-flaw-npm-pnpm-yarn/ Exploit Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3HIZW4NZVV5QY5WWGW2JRP3FHYKZ6ZJ5/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ITY5BC63CCC647DFNUQRQ5AJDKUKUNBI/
https://access.redhat.com/errata/RHSA-2020:0475
Configurations

Configuration 1

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

Published : 2019-12-16 08:15

Updated : 2020-02-08 04:15

NVD link : CVE-2019-10773

Mitre link : CVE-2019-10773

Products Affected
No products.
CWE
CWE-59