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Improper escaping of command arguments on Windows leading to command injection

High severity GitHub Reviewed Published Oct 5, 2021 in composer/composer • Updated Feb 5, 2024

Package

composer composer/composer (Composer)

Affected versions

< 1.10.23
>= 2.0.0-alpha1, < 2.1.9

Patched versions

1.10.23
2.1.9

Description

Impact

Windows users running Composer to install untrusted dependencies are affected and should definitely upgrade for safety. Other OSs and WSL are not affected.

Patches

1.10.23 and 2.1.9 fix the issue

Workarounds

None

References

@Seldaek Seldaek published to composer/composer Oct 5, 2021
Published by the National Vulnerability Database Oct 5, 2021
Reviewed Oct 5, 2021
Published to the GitHub Advisory Database Oct 5, 2021
Last updated Feb 5, 2024

Severity

High
8.2
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
High
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

Weaknesses

CVE ID

CVE-2021-41116

GHSA ID

GHSA-frqg-7g38-6gcf

Source code

Credits

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