CVE-2015-6576 in Bamboo
Summary
by MITRE
Bamboo 2.2 before 5.8.5 and 5.9.x before 5.9.7 allows remote attackers with access to the Bamboo web interface to execute arbitrary Java code via an unspecified resource.
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Analysis
by VulDB Data Team • 11/18/2024
The vulnerability identified as CVE-2015-6576 represents a critical remote code execution flaw affecting Atlassian Bamboo versions prior to 5.8.5 and 5.9.7. This vulnerability resides within the web interface component of the Bamboo continuous integration platform, creating a significant security risk for organizations relying on this tool for their software development workflows. The flaw specifically permits remote attackers who have gained access to the Bamboo web interface to execute arbitrary Java code on the affected system, potentially leading to complete system compromise.
The technical nature of this vulnerability stems from improper input validation and sanitization within the Bamboo web application's resource handling mechanisms. Attackers can exploit this weakness by crafting malicious requests that target unspecified resources within the application's interface. This type of vulnerability typically falls under CWE-94, which describes "Improper Control of Generation of Code ('Code Injection')" and aligns with ATT&CK technique T1059.007 for Java-based command execution. The vulnerability's impact is amplified by the fact that it requires only access to the web interface, which may be reachable from untrusted networks, making it particularly dangerous in environments where network segmentation is not properly implemented.
The operational implications of this vulnerability extend far beyond simple code execution, as it can enable attackers to establish persistent access to the Bamboo server and potentially escalate privileges to compromise the entire build infrastructure. Organizations using affected Bamboo versions face risks including unauthorized access to source code repositories, manipulation of build processes, data exfiltration, and potential lateral movement within the network. The vulnerability's exploitation does not require elevated privileges beyond web interface access, making it accessible to threat actors with minimal initial access. This characteristic places the vulnerability in the ATT&CK matrix under the privilege escalation and persistence categories, as successful exploitation can lead to long-term access and control over the build environment.
Mitigation strategies for CVE-2015-6576 primarily involve immediate patching of affected Bamboo installations to versions 5.8.5 or 5.9.7, which contain the necessary security fixes. Organizations should also implement network segmentation to restrict access to the Bamboo web interface, enforce strong authentication mechanisms, and regularly audit access logs for suspicious activities. Additional defensive measures include deploying web application firewalls, implementing strict input validation policies, and conducting regular security assessments of the build infrastructure. The vulnerability demonstrates the importance of maintaining up-to-date software versions and the critical need for organizations to have robust patch management processes in place to protect against known vulnerabilities that could lead to complete system compromise.