Command injection in composer on Windows
CVE-2021-41116

8.2HIGH

Key Information:

Vendor

Composer

Status
Composer
Vendor
CVE Published:
5 October 2021

What is CVE-2021-41116?

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.

Affected Version(s)

composer < 1.10.23 < 1.10.23

composer >= 2.0, < 2.1.9 < 2.0, 2.1.9

References

https://github.com/composer/composer/security/advisories/...
x_refsource_CONFIRM
https://github.com/composer/composer/commit/ca5e2f8d505fd...
x_refsource_MISC
https://www.sonarsource.com/blog/securing-developer-tools...
x_refsource_MISC

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.