CVE-2021-41116: Improper Neutralization of Special Elements used in a Command ('Command Injection')

October 5, 2021 (updated October 11, 2021)

Composer is an open source dependency manager for the PHP language. In affected versions windows users running Composer to install untrusted dependencies are subject to command injection and should upgrade their composer version. Other OSs and WSL are not affected. The issue has been resolved in composer versions 1.10.23 and 2.1.9. There are no workarounds for this issue.

References

github.com/advisories/GHSA-frqg-7g38-6gcf
github.com/composer/composer/commit/ca5e2f8d505fd3bfac6f7c85b82f2740becbc0aa
github.com/composer/composer/security/advisories/GHSA-frqg-7g38-6gcf
nvd.nist.gov/vuln/detail/CVE-2021-41116

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