CVE-2016-10368 in Monitor Pro
Summary
by MITRE
Open redirect vulnerability in Opsview Monitor Pro (Prior to 5.1.0.162300841, prior to 5.0.2.27475, prior to 4.6.4.162391051, and 4.5.x without a certain 2016 security patch) allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the back parameter to the /login URI.
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Analysis
by VulDB Data Team • 09/23/2020
The CVE-2016-10368 vulnerability represents a critical open redirect flaw in Opsview Monitor Pro versions prior to specific patch releases, exposing organizations to sophisticated phishing and social engineering attacks. This vulnerability specifically affects multiple major versions including 5.1.0, 5.0.2, 4.6.4, and the 4.5.x series, indicating a widespread issue that persisted across several release branches. The flaw manifests through the back parameter in the /login URI, creating a pathway for remote attackers to manipulate user navigation and redirect them to malicious websites without user consent.
The technical implementation of this vulnerability stems from inadequate input validation within the authentication flow of Opsview Monitor Pro. When users attempt to access protected resources and are redirected to the login page, the application fails to properly sanitize or validate the back parameter that specifies the destination URL after successful authentication. This allows attackers to inject arbitrary URLs that will be processed as legitimate redirect targets, bypassing normal security controls that would typically prevent such navigation. The vulnerability directly aligns with CWE-601 Open Redirect vulnerability, which is categorized under the broader category of input validation issues in the Common Weakness Enumeration catalog.
The operational impact of this vulnerability extends beyond simple redirection, creating significant risk for organizations relying on Opsview Monitor Pro for system monitoring and management. Attackers can leverage this flaw to craft convincing phishing campaigns by redirecting users to fake login pages that mimic the legitimate Opsview interface, potentially capturing credentials and gaining unauthorized access to monitoring systems. The vulnerability enables man-in-the-middle attacks where users are unknowingly redirected to attacker-controlled domains, making it particularly dangerous for enterprise environments where Opsview is used for critical infrastructure monitoring. This opens the door for attackers to escalate privileges, access sensitive monitoring data, and potentially compromise the entire monitoring infrastructure.
Organizations affected by CVE-2016-10368 should immediately implement the security patches released by Opsview for the affected versions, specifically targeting the 5.1.0.162300841, 5.0.2.27475, and 4.6.4.162391051 releases. Network administrators should also consider implementing additional controls such as web application firewalls that can detect and block suspicious redirect patterns, while security teams should monitor for potential exploitation attempts through network traffic analysis. The vulnerability demonstrates the importance of proper input validation in authentication flows and aligns with ATT&CK technique T1566.001 for credential harvesting through phishing attacks. Organizations should also conduct thorough security assessments of their monitoring infrastructure to identify any other potential open redirect vulnerabilities that could be exploited in similar attack vectors.