CVE-2007-3363 in AGEphone
Summary
by MITRE
Multiple unspecified vulnerabilities in ageet AGEphone before 1.6.3 allow remote attackers to have an unknown impact via malformed SIP packets.
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Analysis
by VulDB Data Team • 09/04/2018
The CVE-2007-3363 vulnerability affects the ageet AGEphone software version 1.6.2 and earlier, representing a critical security flaw in telecommunications infrastructure that enables remote attackers to exploit unspecified weaknesses through crafted SIP (Session Initiation Protocol) packets. This vulnerability resides within the SIP protocol implementation of the AGEphone system, which is commonly deployed in enterprise communication environments and VoIP (Voice over Internet Protocol) networks. The ageet AGEphone serves as a SIP-based phone system that facilitates voice communication over IP networks, making it a potential target for attackers seeking to disrupt communication services or gain unauthorized access to network resources.
The technical nature of this vulnerability stems from inadequate input validation and sanitization within the SIP packet processing mechanism of the AGEphone software. When the system receives malformed SIP packets, it fails to properly handle the unexpected data structures, potentially leading to buffer overflows, memory corruption, or other exploitable conditions that could be leveraged by attackers. This class of vulnerability aligns with CWE-122, which addresses buffer overflow conditions, and CWE-20, which covers improper input validation. The lack of proper boundary checking and validation of SIP message components creates opportunities for attackers to craft malicious packets that can trigger unexpected behavior within the application's processing pipeline.
The operational impact of this vulnerability extends beyond simple service disruption, as it could enable attackers to achieve arbitrary code execution, system compromise, or unauthorized access to sensitive communication channels. In enterprise environments where AGEphone systems are deployed, such vulnerabilities can result in significant business disruption, data leakage, and potential compromise of the entire VoIP infrastructure. The remote nature of the attack vector means that threat actors can exploit this vulnerability from outside the network perimeter without requiring physical access or prior authentication, making it particularly dangerous for organizations relying on SIP-based communication systems. Attackers could potentially use this vulnerability to intercept voice communications, disrupt business operations, or establish persistent access points within the network.
Mitigation strategies for CVE-2007-3363 should prioritize immediate software updates to version 1.6.3 or later, which would contain the necessary patches to address the input validation flaws in the SIP packet handling mechanism. Network administrators should implement SIP-specific firewall rules and filtering mechanisms to detect and block malformed SIP traffic, while also monitoring for unusual SIP packet patterns that might indicate exploitation attempts. The implementation of secure SIP configurations and the deployment of intrusion detection systems specifically tuned to detect SIP-based attacks can provide additional layers of protection. Organizations should also consider implementing network segmentation strategies to limit the potential impact of successful exploitation and establish comprehensive monitoring procedures to detect any unauthorized access attempts or abnormal communication patterns that could indicate the presence of this vulnerability in their environment. This vulnerability demonstrates the importance of maintaining up-to-date telecommunications software and implementing proper security controls around VoIP infrastructure as outlined in various cybersecurity frameworks and standards including those referenced in the MITRE ATT&CK framework for network-based attacks.