CVE-2018-1344 in NetIQ iManager
Summary
by MITRE
Addresses potential communication downgrade attack in NetIQ iManager versions prior to 3.1
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Analysis
by VulDB Data Team • 02/22/2023
The vulnerability identified as CVE-2018-1344 represents a significant security weakness in NetIQ iManager software versions prior to 3.1, specifically targeting the protocol negotiation mechanisms that govern secure communications between clients and servers. This flaw enables attackers to perform communication downgrade attacks that can compromise the integrity and confidentiality of data transmitted through the affected system. The vulnerability stems from insufficient validation of security protocol versions during the initial handshake process, allowing malicious actors to force connections to use weaker cryptographic protocols or algorithms than initially negotiated. The attack vector typically involves intercepting network traffic and manipulating the protocol negotiation phase to force the system into using less secure communication channels that are more susceptible to interception and manipulation.
The technical implementation of this vulnerability resides in the application's failure to properly validate and enforce minimum security protocol requirements during the connection establishment process. When a client attempts to establish communication with the NetIQ iManager server, the system should enforce the use of secure protocols such as TLS 1.2 or higher, but due to the flaw, it may accept or downgrade to older, less secure protocols like TLS 1.0 or SSL 3.0. This behavior creates a window of opportunity for attackers to exploit the system using techniques such as man-in-the-middle attacks, where they can intercept and potentially modify data in transit. The vulnerability is particularly concerning because it operates at the protocol level rather than application level, making it more difficult to detect and prevent through traditional application security measures.
The operational impact of CVE-2018-1344 extends beyond simple data confidentiality breaches, as it can enable more sophisticated attacks that compromise the entire communication infrastructure of affected systems. Organizations using vulnerable NetIQ iManager versions face risks including unauthorized access to sensitive configuration data, potential privilege escalation opportunities, and the possibility of complete system compromise if attackers can leverage the downgrade capability to gain deeper access. The vulnerability affects the fundamental security posture of systems that rely on NetIQ iManager for identity and access management functions, potentially exposing critical user credentials, system configurations, and administrative controls. Additionally, the downgrade attack can be particularly effective in environments where legacy systems are still in use, as these systems often have weaker cryptographic implementations that are more vulnerable to exploitation.
Mitigation strategies for CVE-2018-1344 primarily focus on upgrading to NetIQ iManager version 3.1 or later, which includes patches that enforce proper protocol validation and prevent downgrade attacks. Organizations should also implement network-level controls such as firewall rules that restrict access to the affected services and enforce the use of secure protocols only. The implementation of proper certificate management and the enforcement of strong cryptographic standards through configuration management practices can significantly reduce the attack surface. From a compliance perspective, this vulnerability aligns with several security standards including those outlined in the CWE catalog under weakness category 310, which addresses cryptographic issues in protocol implementation. The vulnerability also maps to ATT&CK technique T1071.004 for application layer protocol usage and T1566 for credential harvesting, demonstrating the multi-faceted nature of the threat. Organizations should also consider implementing network monitoring solutions that can detect anomalous protocol negotiation patterns and alert security teams to potential downgrade attack attempts, as these attacks often leave detectable traces in network traffic that can be analyzed for security incident response purposes.