CVE-2017-17308 in DP300
Summary
by MITRE
SCCPX module in Huawei DP300 V500R002C00, RP200 V500R002C00, V600R006C00, TE30 V100R001C10, V500R002C00, V600R006C00, TE40 V500R002C00, V600R006C00, TE50 V500R002C00, V600R006C00, TE60 V100R001C10, V500R002C00, V600R006C00 has an invalid memory access vulnerability. An unauthenticated, remote attacker may send specially crafted packets to the affected products. Due to insufficient validation of packets, successful exploit may cause some services abnormal.
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Analysis
by VulDB Data Team • 02/27/2023
The CVE-2017-17308 vulnerability resides within the SCCPX module of various Huawei communication devices including DP300, RP200, TE30, TE40, TE50, and TE60 series across multiple firmware versions. This vulnerability represents a critical memory access flaw that affects the underlying network communication protocols used by these enterprise-grade video conferencing and collaboration systems. The SCCPX module specifically handles certain packet processing functions within the device's communication stack, making it a prime target for remote exploitation. The vulnerability manifests when the system fails to properly validate incoming network packets before processing them, creating an opportunity for malicious actors to manipulate the device's memory operations through crafted network traffic.
This memory access vulnerability falls under the CWE-125 weakness category, specifically representing an out-of-bounds read condition where the system attempts to access memory locations beyond the allocated buffer boundaries. The flaw occurs during packet processing when the device receives malformed or specially crafted network packets that bypass normal validation procedures. The insufficient input validation allows attackers to potentially trigger memory corruption or unauthorized memory access patterns that can lead to unpredictable system behavior. The vulnerability is particularly concerning because it affects multiple device models and firmware versions, indicating a widespread implementation issue within Huawei's communication protocols.
The operational impact of this vulnerability extends beyond simple service disruption, as it creates potential pathways for more severe attacks including system instability, service denial, and possible privilege escalation. Remote exploitation without authentication means that attackers can compromise these devices from outside the network perimeter, making them particularly dangerous in enterprise environments where such systems are often deployed with minimal network segmentation. Successful exploitation could result in complete service outages, data corruption, or even system crashes that require manual intervention and device rebooting. The affected devices typically serve as critical communication infrastructure in corporate and institutional networks, making their compromise a significant security concern that could impact business continuity and communication capabilities.
Mitigation strategies for this vulnerability should include immediate firmware updates from Huawei addressing the memory validation issues within the SCCPX module. Network segmentation and access controls should be implemented to limit exposure of these devices to untrusted networks, while monitoring systems should be deployed to detect anomalous packet patterns that may indicate exploitation attempts. The vulnerability aligns with several ATT&CK techniques including T1071.004 for application layer protocol manipulation and T1499.004 for network disruption, making it a target for both denial-of-service attacks and potential reconnaissance activities. Organizations should also consider implementing network intrusion detection systems specifically configured to identify and block malformed packets targeting this particular vulnerability, while maintaining comprehensive backup and recovery procedures for affected systems. Regular security assessments and vulnerability scanning should be conducted to ensure complete remediation across all affected device models and firmware versions within the network infrastructure.