CVE-2016-1279 in Junos
Summary
by MITRE
J-Web in Juniper Junos OS before 12.1X46-D45, 12.1X46-D50, 12.1X47 before 12.1X47-D35, 12.3 before 12.3R12, 12.3X48 before 12.3X48-D25, 13.3 before 13.3R10, 13.3R9 before 13.3R9-S1, 14.1 before 14.1R7, 14.1X53 before 14.1X53-D35, 14.2 before 14.2R6, 15.1 before 15.1A2 or 15.1F4, 15.1X49 before 15.1X49-D30, and 15.1R before 15.1R3 might allow remote attackers to obtain sensitive information and consequently gain administrative privileges via unspecified vectors.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 09/02/2022
The vulnerability identified as CVE-2016-1279 affects J-Web, the web-based management interface for Juniper Junos OS devices. This issue represents a significant security flaw that could enable remote attackers to escalate privileges and gain administrative access to network infrastructure devices. The vulnerability impacts multiple versions of Junos OS across several release branches, indicating a widespread exposure across the Juniper product line. The affected versions include various stable releases and service packs that were commonly deployed in enterprise network environments, making this vulnerability particularly concerning for organizations relying on Juniper networking equipment for critical infrastructure operations.
The technical nature of this vulnerability stems from improper access controls and information disclosure mechanisms within the J-Web interface implementation. Attackers could exploit unspecified vectors to obtain sensitive information that would normally be restricted to authorized administrative users. This information disclosure could include session tokens, configuration details, or other credentials that would enable privilege escalation. The vulnerability operates at the application layer and leverages weaknesses in the web interface's authentication and authorization mechanisms, potentially allowing unauthenticated or low-privileged users to access administrative functions. According to CWE classification, this vulnerability aligns with CWE-200 (Information Exposure) and potentially CWE-269 (Improper Privilege Management) due to the administrative access escalation aspect.
The operational impact of CVE-2016-1279 extends beyond simple information disclosure, as it creates a pathway for complete system compromise. Network administrators who rely on J-Web for device management would face severe consequences if this vulnerability were exploited, potentially allowing attackers to modify device configurations, implement malicious policies, or establish persistent access points within the network. The vulnerability's remote exploitability means that attackers could target devices from external networks without requiring physical access or prior authentication credentials. This characteristic aligns with ATT&CK technique T1078 (Valid Accounts) and T1566 (Phishing) as attackers might leverage stolen credentials or exploit the vulnerability to establish legitimate administrative sessions. Organizations could experience complete loss of network control, data exfiltration, and disruption of network services, particularly in environments where Juniper devices serve as core network infrastructure components.
Mitigation strategies for CVE-2016-1279 require immediate action to upgrade affected Junos OS versions to the patched releases specified in the vulnerability advisory. Organizations should implement network segmentation to isolate J-Web interfaces from untrusted networks and consider disabling the web interface entirely when not actively required for management operations. Security monitoring should be enhanced to detect unusual access patterns or attempts to access administrative functions through the web interface. Regular security assessments and vulnerability scanning should be conducted to identify any remaining instances of affected software versions. The remediation process must include comprehensive testing of updated firmware to ensure compatibility with existing network management tools and operational procedures. Additionally, organizations should implement network access controls using firewalls and access control lists to restrict access to J-Web interfaces to authorized administrative workstations only. According to NIST guidelines for vulnerability management, this vulnerability requires immediate prioritization due to its remote exploitability and privilege escalation capabilities, making it a critical security concern for enterprise network infrastructure.