Code Injection in PHPUnit - CVE-2017-9841
Published: January 17, 2024 / Updated: August 8, 2025
Vulnerability identifier: #VU85516
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2017-9841
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: sebastianbergmann
Affected software:
PHPUnit
PHPUnit
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in the Util/PHP/eval-stdin.php. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2017-9841
Install updates from vendor's website.
Sources
- https://github.com/sebastianbergmann/phpunit/pull/1956
- https://github.com/sebastianbergmann/phpunit/commit/284a69fb88a2d0845d23f42974a583d8f59bf5a5
- http://www.securityfocus.com/bid/101798
- http://www.securitytracker.com/id/1039812
- https://security.gentoo.org/glsa/201711-15
- http://web.archive.org/web/20170701212357/
- http://phpunit.vulnbusters.com/
- https://www.oracle.com/security-alerts/cpuoct2021.html