CVE-2007-2512 in OmniPCX
Summary
by MITRE
Alcatel-Lucent IP-Touch Telephone running OmniPCX Enterprise 7.0 and later enables the mini switch by default, which allows attackers to gain access to the voice VLAN via daisy-chained systems.
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Analysis
by VulDB Data Team • 08/01/2019
The vulnerability described in CVE-2007-2512 affects Alcatel-Lucent IP-Touch Telephone systems running OmniPCX Enterprise 7.0 and later versions where the mini switch feature is enabled by default. This configuration creates a significant security risk within enterprise voice communication networks by allowing unauthorized access to voice VLANs through interconnected network devices. The default enabling of the mini switch functionality represents a critical design flaw that undermines network segmentation principles and exposes sensitive voice communication infrastructure to potential attackers.
The technical flaw stems from the improper default configuration of the IP-Touch telephone system, specifically the automatic activation of the mini switch component that facilitates network connectivity between different network segments. When the mini switch is enabled, it allows the telephone system to function as a network bridge, enabling traffic forwarding between the voice VLAN and other network segments. This behavior creates an attack vector where malicious actors can exploit the daisy-chained network topology to traverse from one network segment to another, potentially gaining access to sensitive voice communication data and network resources that should remain isolated.
The operational impact of this vulnerability extends beyond simple network access, as it fundamentally compromises the security model of enterprise voice communication systems. Attackers who gain access through this vulnerability can potentially intercept voice communications, perform man-in-the-middle attacks on voice data, or escalate privileges within the network. The daisy-chained system configuration amplifies the risk as it allows attackers to move laterally through interconnected devices, potentially accessing multiple network segments and voice VLANs within the enterprise infrastructure. This vulnerability directly violates the principle of least privilege and network segmentation that are fundamental to secure enterprise network design.
Organizations should implement immediate mitigations by disabling the mini switch functionality on all affected IP-Touch telephone systems and ensuring proper network segmentation through dedicated voice VLAN configurations. Network administrators must verify that voice VLANs are properly isolated from other network segments and that access controls are implemented to prevent unauthorized network bridging. The vulnerability aligns with CWE-284, which addresses improper access control in network devices, and represents a clear violation of ATT&CK technique T1046, which involves network service scanning and exploitation of network infrastructure components. Regular network audits and security assessments should be conducted to identify and remediate similar misconfigurations that could create similar attack vectors within enterprise communication networks.