| Vulnerability Name: | CVE-2021-39135 (CCN-208464) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Assigned: | 2021-08-31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Published: | 2021-08-31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Updated: | 2022-10-25 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary: | `@npmcli/arborist`, the library that calculates dependency trees and manages the node_modules folder hierarchy for the npm command line interface, aims to guarantee that package dependency contracts will be met, and the extraction of package contents will always be performed into the expected folder. This is accomplished by extracting package contents into a project's `node_modules` folder. If the `node_modules` folder of the root project or any of its dependencies is somehow replaced with a symbolic link, it could allow Arborist to write package dependencies to any arbitrary location on the file system. Note that symbolic links contained within package artifact contents are filtered out, so another means of creating a `node_modules` symbolic link would have to be employed. 1. A `preinstall` script could replace `node_modules` with a symlink. (This is prevented by using `--ignore-scripts`.) 2. An attacker could supply the target with a git repository, instructing them to run `npm install --ignore-scripts` in the root. This may be successful, because `npm install --ignore-scripts` is typically not capable of making changes outside of the project directory, so it may be deemed safe. This is patched in @npmcli/arborist 2.8.2 which is included in npm v7.20.7 and above. For more information including workarounds please see the referenced GHSA-gmw6-94gg-2rc2. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| CVSS v3 Severity: | 7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) 6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C)
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| CVSS v2 Severity: | 4.4 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P)
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| Vulnerability Type: | CWE-61 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Vulnerability Consequences: | File Manipulation | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| References: | Source: MITRE Type: CNA CVE-2021-39135 Source: CONFIRM Type: Patch, Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Source: XF Type: UNKNOWN nodejs-cve202139135-symlink(208464) Source: CCN Type: GitHub Web site UNIX Symbolic Link (Symlink) Following in @npmcli/arborist Source: CONFIRM Type: Third Party Advisory https://github.com/npm/arborist/security/advisories/GHSA-gmw6-94gg-2rc2 Source: CCN Type: Node.js Blog, 2021-08-31 August 31 2021 Security Releases Source: CCN Type: IBM Security Bulletin 6497083 (App Connect Enterprise Certified Container) IBM App Connect Enterprise Certified Container Integration Servers may be vulnerable to a symlink attack due to CVE-2021-39135 Source: CCN Type: IBM Security Bulletin 6509088 (InfoSphere Information Server) IBM InfoSphere Information Server is affected by multiple vulnerabilities in Node.js Source: CCN Type: IBM Security Bulletin 6516782 (Rational Application Developer for WebSphere Software) Multiple vulnerabilities affect IBM Rational Application Developer for WebSphere Software - September 2021 Source: CCN Type: IBM Security Bulletin 6525674 (Rational Developer for i) Multiple vulnerabilities in Node.js affect IBM Rational Application Developer for WebSphere Software included in Rational Developer for i Source: CCN Type: IBM Security Bulletin 6574475 (Cloud Private) Security Vulnerabilities affect IBM Cloud Private - Node.js (CVE-2021-39135) Source: CCN Type: IBM Security Bulletin 6575667 (Spectrum Discover) High severity vulnerabilities in libraries used by IBM Spectrum Discover (libraries of libraries) Source: CCN Type: IBM Security Bulletin 6602551 (Security Verify Governance) IBM Security Verify Governance is vulnerable to multiple security issues due to Node.js Source: CCN Type: IBM Security Bulletin 6997107 (Engineering Requirements Quality Assistant) There are multiple vulnerabilites that affect IBM Engineering Requirements Quality Assistant On-Premises Source: CCN Type: NPM Web site @npmcli/arborist Source: MISC Type: Product, Third Party Advisory https://www.npmjs.com/package/@npmcli/arborist Source: MISC Type: Patch, Third Party Advisory https://www.oracle.com/security-alerts/cpuoct2021.html Source: CCN Type: WhiteSource Vulnerability Database CVE-2021-39135 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Vulnerable Configuration: | Configuration 1: Configuration 2: Configuration 3: Configuration CCN 1:  Denotes that component is vulnerable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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