CVE-2019-3776 in Operations Manager
Summary
by MITRE
Pivotal Operations Manager, 2.1.x versions prior to 2.1.20, 2.2.x versions prior to 2.2.16, 2.3.x versions prior to 2.3.10, 2.4.x versions prior to 2.4.3, contains a reflected cross site scripting vulnerability. A remote user that is able to convince an Operations Manager user to interact with malicious content could execute arbitrary JavaScript in the user's browser.
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Analysis
by VulDB Data Team • 07/29/2023
The vulnerability identified as CVE-2019-3776 affects Pivotal Operations Manager, a platform for managing cloud applications and infrastructure. This cross site scripting flaw exists in multiple version ranges including 2.1.x prior to 2.1.20, 2.2.x prior to 2.2.16, 2.3.x prior to 2.3.10, and 2.4.x prior to 2.4.3. The vulnerability stems from inadequate input validation and output encoding mechanisms within the web interface components of the Operations Manager platform. This reflected XSS vulnerability allows attackers to inject malicious JavaScript code into web responses that are then executed in the victim's browser when they interact with the compromised application.
The technical exploitation of this vulnerability requires an attacker to craft malicious payloads and trick a legitimate Operations Manager user into clicking on a specially crafted link or visiting a compromised webpage. The reflected nature of the vulnerability means that the malicious script is reflected off the web server rather than being stored on the server, making it particularly dangerous as it can be delivered through email phishing campaigns, compromised web pages, or social engineering tactics. When a user's browser processes the malicious response, the injected JavaScript code executes in the context of the user's session, potentially allowing attackers to steal session cookies, perform unauthorized actions, or redirect users to malicious sites.
The operational impact of this vulnerability extends beyond simple script execution as it compromises the integrity of the user's browser session and potentially the entire cloud management environment. Attackers could leverage this vulnerability to escalate privileges, access sensitive configuration data, or manipulate application workflows that administrators rely on for managing cloud infrastructure. The vulnerability affects the core administrative functionality of Operations Manager, making it particularly dangerous for organizations that depend on this platform for critical cloud operations. This weakness creates a persistent threat vector that can be exploited repeatedly until patched, potentially allowing attackers to maintain access to the management interface and execute long-term attacks against the cloud infrastructure.
Organizations should immediately apply the vendor patches released for versions 2.1.20, 2.2.16, 2.3.10, and 2.4.3 to remediate this vulnerability. Security teams should implement network monitoring to detect suspicious traffic patterns that may indicate exploitation attempts, and consider deploying web application firewalls to filter malicious requests. The vulnerability aligns with CWE-79 which catalogs cross site scripting flaws, and maps to ATT&CK technique T1566 related to spearphishing attacks that could leverage this weakness. Additionally, organizations should conduct security awareness training to help users recognize and avoid potentially malicious links, and implement strict access controls to limit the impact of any successful exploitation attempts. Regular security assessments of cloud management platforms should be conducted to identify similar vulnerabilities that could compromise the broader cloud infrastructure ecosystem.