CVE-2015-8360 in Bamboo
Summary
by MITRE
An unspecified resource in Atlassian Bamboo before 5.9.9 and 5.10.x before 5.10.0 allows remote attackers to execute arbitrary Java code via serialized data to the JMS port.
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Analysis
by VulDB Data Team • 07/07/2022
The vulnerability identified as CVE-2015-8360 represents a critical security flaw in Atlassian Bamboo versions prior to 5.9.9 and 5.10.x before 5.10.0, specifically affecting the Java Message Service JMS port functionality. This issue falls under the category of insecure deserialization vulnerabilities, which are commonly classified as CWE-502 in the Common Weakness Enumeration framework. The flaw enables remote attackers to execute arbitrary Java code through the manipulation of serialized data objects transmitted over the JMS port, creating a significant attack surface that could be exploited from outside the network perimeter.
The technical nature of this vulnerability stems from inadequate input validation and sanitization within the deserialization process of the JMS communication channel. When Bamboo receives serialized Java objects through its JMS port, it fails to properly validate or sanitize the incoming data before attempting to deserialize and process it. This allows an attacker to craft malicious serialized objects that, when processed by the vulnerable system, trigger unintended code execution. The attack vector specifically targets the JMS port, which is typically used for asynchronous communication between different components of the Bamboo server infrastructure, making it a prime target for exploitation.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with remote code execution capabilities that could lead to complete system compromise. Successful exploitation could result in unauthorized access to sensitive build data, source code theft, privilege escalation, and potential lateral movement within the network. The vulnerability's classification under the ATT&CK framework would place it within the execution and privilege escalation domains, potentially enabling attackers to establish persistent access through the execution of malicious payloads. Organizations using affected versions of Bamboo face significant risk of data breaches and system compromise, particularly in environments where the JMS port is exposed to untrusted networks.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected systems to the recommended versions 5.9.9 or 5.10.0 and later. Network segmentation and firewall rules should be implemented to restrict access to the JMS port, limiting connections to trusted sources only. Additionally, organizations should consider implementing network monitoring and intrusion detection systems to detect anomalous serialized data traffic patterns. The remediation approach aligns with the principle of defense in depth, combining both perimeter security controls and internal application-level protections to prevent exploitation. Regular security assessments and vulnerability scanning should be conducted to identify similar issues in other components of the Bamboo infrastructure, as this vulnerability demonstrates the importance of secure deserialization practices in enterprise software applications.