Lucene search

SnykCVE-2019-10773

HistoryDec 16, 2019 - 8:15 p.m.

CVE-2019-10773

2019-12-1620:15:14

CWE-59

snyk

web.nvd.nist.gov

yarn

cve-2019-10773

symlink

filesystem

nvd

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

7.5

Confidence

High

EPSS

0.003

Percentile

69.4%

JSON

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.

Affected configurations

Nvd

Node

yarnpkgyarnRange<1.21.1

VendorProductVersionCPE
yarnpkgyarn*cpe:2.3:a:yarnpkg:yarn:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
yarnpkg	yarn	*	cpe:2.3:a:yarnpkg:yarn::::::::

CNA Affected

[
  {
    "product": "Yarn",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "All versions prior to version 1.21.1"
      }
    ]
  }
]