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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2021-43616
HistoryNov 13, 2021 - 6:15 p.m.

CVE-2021-43616

2021-11-1318:15:07
Debian Security Bug Tracker
security-tracker.debian.org
15
npm
dependency
installation
package-lock.json
package.json
malware
vulnerability
social engineering

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.4

Confidence

High

EPSS

0.025

Percentile

90.2%

The npm ci command in npm 7.x and 8.x through 8.1.3 proceeds with an installation even if dependency information in package-lock.json differs from package.json. This behavior is inconsistent with the documentation, and makes it easier for attackers to install malware that was supposed to have been blocked by an exact version match requirement in package-lock.json. NOTE: The npm team believes this is not a vulnerability. It would require someone to socially engineer package.json which has different dependencies than package-lock.json. That user would have to have file system or write access to change dependencies. The npm team states preventing malicious actors from socially engineering or gaining file system access is outside the scope of the npm CLI.

OSVersionArchitecturePackageVersionFilename
Debian12allnpm< 8.4.1~ds-1npm_8.4.1~ds-1_all.deb
Debian11allnpm<= 7.5.2+ds-2npm_7.5.2+ds-2_all.deb
Debian999allnpm< 8.4.1~ds-1npm_8.4.1~ds-1_all.deb
Debian13allnpm< 8.4.1~ds-1npm_8.4.1~ds-1_all.deb

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.4

Confidence

High

EPSS

0.025

Percentile

90.2%