CVE-2017-17152 in NGFW Module
Summary
by MITRE
IKEv2 in Huawei IPS Module V500R001C00, V500R001C00SPC200, V500R001C00SPC300, V500R001C00SPC500, V500R001C00SPH303, V500R001C00SPH508, V500R001C20, V500R001C20SPC100, V500R001C20SPC100PWE, V500R001C20SPC200, V500R001C20SPC200B062, V500R001C20SPC200PWE, V500R001C20SPC300B078, V500R001C20SPC300PWE, NGFW Module V500R001C00, V500R001C00SPC200, V500R001C00SPC300, V500R001C00SPC500, V500R001C00SPC500PWE, V500R001C00SPH303, V500R001C00SPH508, V500R001C20, V500R001C20SPC100, V500R001C20SPC100PWE, V500R001C20SPC200, V500R001C20SPC200B062, V500R001C20SPC200PWE, V500R001C20SPC300B078, V500R001C20SPC300PWE, NIP6300 V500R001C00, V500R001C00SPC200, V500R001C00SPC300, V500R001C00SPC500, V500R001C00SPH303, V500R001C00SPH508, V500R001C20, V500R001C20SPC100, V500R001C20SPC100PWE, V500R001C20SPC200, V500R001C20SPC200B062, V500R001C20SPC200PWE, V500R001C20SPC300B078, V500R001C20SPC300PWE, NIP6600 V500R001C00, V500R001C00SPC200, V500R001C00SPC300, V500R001C00SPC500, V500R001C00SPH303, V500R001C00SPH508, V500R001C20, V500R001C20SPC100, V500R001C20SPC100PWE, V500R001C20SPC200, V500R001C20SPC200B062, V500R001C20SPC200PWE, V500R001C20SPC300B078, Secospace USG6300 V500R001C00, V500R001C00SPC200, V500R001C00SPC300, V500R001C00SPC500, V500R001C00SPC500PWE, V500R001C00SPH303, V500R001C00SPH508, V500R001C20, V500R001C20SPC100, V500R001C20SPC100PWE, V500R001C20SPC101, V500R001C20SPC200, V500R001C20SPC200B062, V500R001C20SPC200PWE, V500R001C20SPC300B078, V500R001C20SPC300PWE, Secospace USG6500 V500R001C00, V500R001C00SPC200, V500R001C00SPC300, V500R001C00SPC500, V500R001C00SPC500PWE, V500R001C00SPH303, V500R001C00SPH508, V500R001C20, V500R001C20SPC100, V500R001C20SPC100PWE, V500R001C20SPC101, V500R001C20SPC200, V500R001C20SPC200B062, V500R001C20SPC200PWE, V500R001C20SPC300B078, V500R001C20SPC300PWE, Secospace USG6600 V500R001C00, V500R001C00SPC100, V500R001C00SPC200, V500R001C00SPC300, V500R001C00SPC301, V500R001C00SPC500, V500R001C00SPC500PWE, V500R001C00SPH303, V500R001C20, V500R001C20SPC100, V500R001C20SPC100PWE, V500R001C20SPC101, V500R001C20SPC200, V500R001C20SPC200PWE, V500R001C20SPC300, V500R001C20SPC300B078, V500R001C20SPC300PWE, USG9500 V500R001C00, V500R001C00SPC200, V500R001C00SPC300, V500R001C00SPC303, V500R001C00SPC500, V500R001C00SPC500PWE, V500R001C00SPH303, V500R001C00SPH508, V500R001C20, V500R001C20SPC100, V500R001C20SPC100PWE, V500R001C20SPC101, V500R001C20SPC200, V500R001C20SPC200B062, V500R001C20SPC200PWE, V500R001C20SPC300B078, V500R001C20SPC300PWE has an out-of-bounds write vulnerability due to insufficient input validation. An attacker could exploit it to craft special packets to trigger out-of-bounds memory write, which may further lead to system exceptions.
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Analysis
by VulDB Data Team • 02/08/2023
The vulnerability identified as CVE-2017-17152 affects Huawei's Internet Key Exchange version 2 implementation within various network security appliances including IPS modules, NGFW modules, NIP series devices, and USG series firewalls. This issue stems from inadequate input validation mechanisms within the IKEv2 protocol processing functionality, specifically when handling certain packet structures. The flaw manifests as an out-of-bounds write condition that occurs when the system processes malformed or specially crafted IKEv2 packets. According to the Common Weakness Enumeration framework, this vulnerability maps to CWE-787, which describes out-of-bounds write conditions where an attacker can write data past the end or beginning of a preserved buffer. The affected devices operate across multiple software versions including V500R001C00, V500R001C00SPC200, and various service pack releases, indicating a widespread exposure across Huawei's security product portfolio. The attack surface is particularly concerning given that IKEv2 is a critical protocol used for establishing secure communication channels in virtual private networks and is integral to many enterprise security infrastructures.
The technical exploitation of this vulnerability involves an attacker constructing specific IKEv2 packets that trigger memory corruption during processing. When the system attempts to write data to memory locations beyond the allocated buffer boundaries, it can result in unpredictable behavior including system crashes, application termination, or potentially more severe consequences such as arbitrary code execution. The out-of-bounds write condition occurs during the parsing of IKEv2 message payloads where the system fails to properly validate the size or structure of incoming data before attempting memory operations. This type of vulnerability falls under the MITRE ATT&CK framework's technique T1059, which covers command and scripting interpreter usage, particularly when the exploitation leads to system compromise or privilege escalation. The vulnerability is particularly dangerous because it can be triggered remotely without requiring authentication, making it an attractive target for network-based attacks. The impact extends beyond simple system instability, as memory corruption can lead to denial of service conditions that disrupt critical network security functions and potentially create opportunities for further exploitation.
The operational impact of CVE-2017-17152 is significant for organizations relying on Huawei security appliances, as it can lead to service disruption and potential security breaches. When exploited, the vulnerability can cause devices to crash or become unresponsive, resulting in network outages that affect business continuity. The vulnerability affects multiple device types including next-generation firewalls, intrusion prevention systems, and network security appliances, indicating that organizations with diverse Huawei security infrastructure are at risk. Security operations teams may face challenges in detecting exploitation attempts since the attack can be subtle and may not immediately manifest as obvious system failures. The vulnerability's potential for causing denial of service means that organizations could experience extended downtime while investigating and remediating the issue. Additionally, the exposure of such a fundamental protocol processing flaw raises concerns about the overall security posture of networks relying on these devices, as it may indicate broader issues with input validation and memory management in the affected software implementations. Organizations should consider the vulnerability as part of a comprehensive risk assessment, particularly in environments where these devices are used for critical network security functions.
Mitigation strategies for CVE-2017-17152 should prioritize immediate software updates from Huawei to address the input validation deficiencies in IKEv2 processing. Organizations should implement network segmentation and access controls to limit exposure to potentially malicious traffic, particularly on network segments where IKEv2 traffic is expected. Monitoring and logging of IKEv2 packet processing should be enhanced to detect anomalous traffic patterns that might indicate exploitation attempts. Network administrators should consider disabling IKEv2 functionality if it is not essential for operations, or implementing additional filtering rules to validate packet structures before they reach the vulnerable processing components. The implementation of intrusion detection systems with signature-based detection capabilities can help identify exploitation attempts targeting this specific vulnerability. Regular vulnerability assessments and penetration testing should be conducted to verify that the mitigations are effective and to identify any additional related vulnerabilities within the affected Huawei security product lines. Organizations should also consider maintaining offline backups of device configurations and implementing rollback procedures in case updates introduce unexpected compatibility issues. The vulnerability highlights the importance of proper input validation and memory management practices in security-critical software, and serves as a reminder of the need for continuous security testing and updating of network infrastructure components.