| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| composer/composer | ≥ 2.0, < 2.2.12≥ 2.3, < 2.3.5< 1.10.26 | 2.2.122.3.51.10.26 |
| composer | ≥ 2.0.0, < 2.2.12≥ 2.3.0, < 2.3.5< 1.10.26 | 2.2.122.3.51.10.26 |
| tenable.sc | < 5.21.0 | 5.21.0 |
The Composer method VcsDriver::getFileContent() with user-controlled $file or $identifier arguments is susceptible to an argument injection vulnerability. It can be leveraged to gain arbitrary command execution if the Mercurial or the Git driver are used.
This led to a vulnerability on Packagist.org and Private Packagist, i.e., using the composer.json readme field as a vector for injecting parameters into the $file argument for the Mercurial driver or via the $identifier argument for the Git and Mercurial drivers.
Composer itself can be attacked through branch names by anyone controlling a Git or Mercurial repository, which is explicitly listed by URL in a project's composer.json.
To the best of our knowledge, this was not actively exploited. The vulnerability has been patched on Packagist.org and Private Packagist within a day of the vulnerability report.
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