CVE-2021-42740: Command Injection
First published: Thu Oct 21 2021(Updated: )
Node.js shell-quote module could allow a remote attacker to execute arbitrary commands on the system, caused by a flaw with windows drive letter regex. By sending a specially-crafted shell metacharacters, an attacker could exploit this vulnerability to execute arbitrary commands on the system.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM Planning Analytics | <=2.0 | |
| npm/shell-quote | <=1.7.2 | 1.7.3 |
| Node Shell Quote | <1.7.3 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2021-42740
- https://www.npmjs.com/package/shell-quote
- https://github.com/ljharb/shell-quote/commit/5799416ed454aa4ec9afafc895b4e31760ea1abe
- https://github.com/ljharb/shell-quote/blob/master/CHANGELOG.md#173
- https://github.com/advisories/GHSA-g4rg-993r-mgx7 (Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/211858
- https://www.ibm.com/support/pages/node/7096528 (Advisory)
- https://github.com/substack/node-shell-quote/blob/master/CHANGELOG.md#173
- https://github.com/substack/node-shell-quote/commit/5799416ed454aa4ec9afafc895b4e31760ea1abe
Frequently Asked Questions
What is the severity of CVE-2021-42740?
CVE-2021-42740 is classified as a high severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2021-42740?
To fix CVE-2021-42740, update the shell-quote module to version 1.7.3 or later.
What systems are affected by CVE-2021-42740?
CVE-2021-42740 affects the shell-quote module for Node.js and versions up to 1.7.2.
Can CVE-2021-42740 be exploited remotely?
Yes, CVE-2021-42740 can be exploited by a remote attacker to execute arbitrary commands on the system.
What is the impact of CVE-2021-42740?
The impact of CVE-2021-42740 includes the potential for arbitrary command execution on affected systems.
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