CVE-2015-0224 in Qpid
Summary
by MITRE
qpidd in Apache Qpid 0.30 and earlier allows remote attackers to cause a denial of service (daemon crash) via a crafted protocol sequence set. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-0203.
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Analysis
by VulDB Data Team • 01/05/2023
The vulnerability identified as CVE-2015-0224 affects Apache Qpid's qpidd daemon version 0.30 and earlier, representing a significant security flaw that enables remote attackers to execute denial of service attacks. This vulnerability specifically targets the protocol handling mechanisms within the messaging broker system, where a carefully crafted sequence of protocol commands can trigger a daemon crash. The issue stems from an incomplete remediation of a previously identified vulnerability, CVE-2015-0203, which demonstrates the complexity of addressing protocol-level security flaws in distributed messaging systems. The qpidd daemon serves as the core messaging broker in Apache Qpid implementations, making this vulnerability particularly concerning for organizations relying on these messaging services for critical communications.
The technical root cause of CVE-2015-0224 lies in the insufficient validation and handling of protocol sequences within the qpidd daemon's message processing pipeline. When the daemon receives a specially crafted sequence of protocol commands, it fails to properly validate the incoming data or handle edge cases in the protocol state machine, leading to a crash condition. This type of vulnerability falls under the category of improper input validation and protocol handling, which are commonly classified as CWE-20 (Improper Input Validation) and CWE-704 (Incorrect Type Conversion or Cast). The vulnerability represents a classic example of how partial fixes can leave systems exposed to similar attack vectors, as the original issue in CVE-2015-0203 was not fully resolved in the subsequent patch, leaving the system susceptible to similar manipulation techniques.
The operational impact of this vulnerability extends beyond simple service disruption, as it can potentially compromise the availability of critical messaging infrastructure within organizations. When the qpidd daemon crashes due to the crafted protocol sequence, it results in immediate service unavailability for all applications relying on that messaging broker, potentially affecting business continuity and data flow across distributed systems. Attackers can exploit this vulnerability remotely without requiring authentication, making it particularly dangerous in networked environments where the daemon is exposed to external traffic. The attack vector specifically targets the protocol handling layer, meaning that any application or service that communicates through the affected Qpid messaging system could be impacted, regardless of the specific client implementations or protocols used.
Organizations affected by CVE-2015-0224 should prioritize immediate remediation through the application of available patches or upgrades to Apache Qpid versions that properly address both CVE-2015-0224 and its predecessor vulnerability CVE-2015-0203. The mitigation strategy should include updating to Apache Qpid 0.31 or later versions where comprehensive fixes have been implemented for the protocol handling issues. Network segmentation and access controls should be enhanced to limit exposure of the qpidd daemon to untrusted networks, while monitoring systems should be configured to detect unusual protocol sequences that might indicate exploitation attempts. From an ATT&CK framework perspective, this vulnerability maps to techniques involving denial of service and protocol manipulation, specifically targeting the service availability component of the attack lifecycle. Security teams should also implement comprehensive logging and alerting for protocol anomalies, as the vulnerability's exploitation pattern may be detectable through network traffic analysis and behavioral monitoring of the messaging daemon's operation.