Bug 2383008 (CVE-2015-10141)

Summary: CVE-2015-10141 xdebug: Xdebug Remote Debugger Command Execution
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: sdawley
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A code injection flaw was found in Xdebug. When a user enables remote debugging, Xdebug does not require authentication and will accept input from any user who can access the debug port. Enabling remote debugging is not recommended for normal use, but if exploited, this flaw would allow a remote attacker to execute code in the context of the Xdebug process.
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Description OSIDB Bzimport 2025-07-23 14:02:02 UTC 
An unauthenticated OS command injection vulnerability exists within Xdebug versions 2.5.5 and earlier, a PHP debugging extension developed by Derick Rethans. When remote debugging is enabled, Xdebug listens on port 9000 and accepts debugger protocol commands without authentication. An attacker can send a crafted eval command over this interface to execute arbitrary PHP code, which may invoke system-level functions such as system() or passthru(). This results in full compromise of the host under the privileges of the web server user.