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CVE-2019-16777— Arbitrary File Overwrite in npm CLI

Quick assessment

Affected
npm cli
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

npm CLI是美国npm公司的一款软件包管理器。 npm CLI 6.13.4之前版本中存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。

CVSS 7.7 · High EPSS 2.13% · P81
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I. Basic Information for CVE-2019-16777

Vulnerability Information
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Vulnerability Title
Arbitrary File Overwrite in npm CLI
Source: CVE Program / CVE List V5
Vulnerability Description
Versions of the npm CLI prior to 6.13.4 are vulnerable to an Arbitrary File Overwrite. It fails to prevent existing globally-installed binaries to be overwritten by other package installations. For example, if a package was installed globally and created a serve binary, any subsequent installs of packages that also create a serve binary would overwrite the previous serve binary. This behavior is still allowed in local installations and also through install scripts. This vulnerability bypasses a user using the --ignore-scripts install option.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
npm CLI 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
npm CLI是美国npm公司的一款软件包管理器。 npm CLI 6.13.4之前版本中存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
npm cli < 6.13.4 ~ 6.13.4 -

II. Public POCs for CVE-2019-16777

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III. Intelligence Information for CVE-2019-16777

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Vendor Advisories for CVE-2019-16777 (8)

Mailing List Discussions for CVE-2019-16777 (1)

Security Blog Posts for CVE-2019-16777 (1)

Same Patch Batch · npm · 2019-12-13 · 3 CVEs total

CVE-2019-16775 7.7 HIGH Unauthorized File Access in npm CLI before before version 6.13.3
CVE-2019-16776 7.7 HIGH Unauthorized File Access in npm CLI before before version 6.13.3

IV. Related Vulnerabilities

Same product: cli
Same vendor: npm
Same weakness: CWE-22

V. Comments for CVE-2019-16777

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