CVE-2017-17288 in DP300
Summary
by MITRE
Huawei DP300 V500R002C00, RP200 V500R002C00, V600R006C00, TE30 V100R001C10, V500R002C00, V600R006C00, TE40 V500R002C00, V600R006C00, TE50 V500R002C00, V600R006C00, TE60 V100R001C10, V500R002C00, V600R006C00 have an integer overflow vulnerability. An unauthenticated, remote attacker may send specially crafted messages to the affected products. Due to insufficient input validation, successful exploit may cause integer overflow and some process abnormal.
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Analysis
by VulDB Data Team • 02/08/2023
The CVE-2017-17288 vulnerability represents a critical integer overflow flaw affecting multiple Huawei communication devices including DP300, RP200, TE30, TE40, TE50, and TE60 series products. This vulnerability stems from inadequate input validation mechanisms within the affected firmware versions, specifically V500R002C00, V600R006C00, and V100R001C10. The flaw exists in the network protocol handling components that process incoming messages from external sources without proper boundary checks on integer values. According to CWE-190, this vulnerability falls under integer overflow conditions where an attacker can manipulate input data to cause arithmetic operations to exceed the maximum representable value for integer variables, leading to unexpected behavior in the system's memory management and process execution.
The technical exploitation of this vulnerability occurs through remote, unauthenticated network traffic targeting the affected devices. Attackers can craft specially formatted network messages that contain maliciously constructed integer values designed to trigger the overflow condition during normal processing operations. When the system attempts to process these malformed inputs, the integer overflow causes the system to behave unpredictably, potentially leading to process crashes, memory corruption, or abnormal termination of critical services. The vulnerability's remote nature means that attackers do not require physical access or valid credentials to exploit the flaw, making it particularly dangerous for networked devices that are accessible from external networks.
The operational impact of CVE-2017-17288 extends beyond simple service disruption to potentially enable more sophisticated attack vectors. While the immediate effect may appear as process abnormalities or service interruptions, integer overflow vulnerabilities often serve as stepping stones for more serious exploits. The vulnerability aligns with ATT&CK technique T1203, which involves exploitation of software vulnerabilities for privilege escalation or persistent access. In enterprise environments, these devices typically serve as critical communication infrastructure components, making their compromise potentially devastating for business continuity and network security. The affected devices often handle sensitive voice and video communications, meaning that exploitation could lead to unauthorized access to confidential business conversations or disruption of critical communication services.
Mitigation strategies for this vulnerability should prioritize immediate firmware updates from Huawei, as the company likely released patches addressing the integer overflow conditions. Network segmentation and access control measures should be implemented to limit exposure of these devices to untrusted networks, particularly following ATT&CK tactic T1035 which emphasizes the importance of limiting attack surface through network controls. Additional protective measures include implementing network monitoring to detect anomalous traffic patterns that may indicate exploitation attempts, configuring intrusion detection systems to flag malformed protocol messages, and establishing regular vulnerability assessment procedures to identify similar weaknesses in other network components. Security teams should also consider implementing device hardening practices such as disabling unnecessary services, enforcing secure configuration baselines, and maintaining detailed inventory of all networked devices to ensure comprehensive protection against similar vulnerabilities.