CVE-2017-9841: PHPUnit Command Injection Vulnerability
PHPUnit allows remote attackers to execute arbitrary PHP code via HTTP POST data beginning with a "<?php " substring, as demonstrated by an attack on a site with an exposed /vendor folder, i.e., external access to the /vendor/phpunit/phpunit/src/Util/PHP/eval-stdin.php URI.
| Vendor | PHPUnit |
|---|---|
| Product | PHPUnit |
| Date added to KEV | 2022-02-15 |
| Due date (BOD 22-01) | 2022-08-15 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-94 |
| Required action | Apply updates per vendor instructions. |
What to do
- Identify every instance of PHPUnit PHPUnit in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply updates per vendor instructions.
- Federal civilian agencies must act by 2022-08-15 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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Sources
- NVD entry for CVE-2017-9841 (severity scores, if any, live there)
- CISA KEV catalog entry
- https://nvd.nist.gov/vuln/detail/CVE-2017-9841