CVE-2017-17292 in ARXXXX
Summary
by MITRE
Huawei AR120-S V200R006C10, V200R007C00, V200R008C20, V200R008C30, AR1200 V200R006C10, V200R006C13, V200R007C00, V200R007C01, V200R007C02, V200R008C20, V200R008C30, AR1200-S V200R006C10, V200R007C00, V200R008C20, V200R008C30, AR150 V200R006C10, V200R007C00, V200R007C01, V200R007C02, V200R008C20, V200R008C30, AR150-S V200R006C10, V200R007C00, V200R008C20, V200R008C30, AR160 V200R006C10, V200R006C12, V200R007C00, V200R007C01, V200R007C02, V200R008C20, V200R008C30, AR200 V200R006C10, V200R007C00, V200R007C01, V200R008C20, V200R008C30, AR200-S V200R006C10, V200R007C00, V200R008C20, V200R008C30, AR2200 V200R006C10, V200R006C13, V200R006C16, V200R007C00, V200R007C01, V200R007C02, V200R008C20, V200R008C30, AR2200-S V200R006C10, V200R007C00, V200R008C20, V200R008C30, AR3200 V200R006C10, V200R006C11, V200R007C00, V200R007C01, V200R007C02, V200R008C00, V200R008C10, V200R008C20, V200R008C30, AR3600 V200R006C10, V200R007C00, V200R007C01, V200R008C20, AR510 V200R006C10, V200R006C12, V200R006C13, V200R006C15, V200R006C16, V200R006C17, V200R007C00, V200R008C20, V200R008C30, DP300 V500R002C00, MAX PRESENCE V100R001C00, NetEngine16EX V200R006C10, V200R007C00, V200R008C20, V200R008C30, RP200 V500R002C00, V600R006C00, SRG1300 V200R006C10, V200R007C00, V200R007C02, V200R008C20, V200R008C30, SRG2300 V200R006C10, V200R007C00, V200R007C02, V200R008C20, V200R008C30, SRG3300 V200R006C10, V200R007C00, V200R008C20, V200R008C30, TE30 V100R001C02, V100R001C10, V500R002C00, V600R006C00, TE40 V500R002C00, V600R006C00, TE50 V500R002C00, V600R006C00, TE60 V100R001C01, V100R001C10, V500R002C00, V600R006C00, TP3106 V100R002C00, TP3206 V100R002C00, V100R002C10 have a denial of service vulnerability in the specific module. An authenticated, local attacker may craft a specific XML file to the affected products. Due to improper handling of input, successful exploit will cause some service abnormal.
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Analysis
by VulDB Data Team • 02/08/2023
The vulnerability identified as CVE-2017-17292 represents a denial of service weakness affecting multiple Huawei network equipment models including AR series routers, SRG series gateways, and various video conferencing devices. This flaw resides within the XML processing module of affected products, where insufficient input validation allows maliciously crafted XML files to trigger abnormal service behavior. The vulnerability specifically impacts devices running Huawei V200R006C10, V200R007C00, V200R008C20, and V200R008C30 software versions across numerous hardware platforms. According to the CWE taxonomy, this corresponds to CWE-20, "Improper Input Validation," which occurs when software fails to properly validate or sanitize input data before processing. The vulnerability is classified as local and authenticated, meaning an attacker must first establish legitimate credentials to access the device before exploiting the flaw. This authentication requirement reduces the attack surface but does not eliminate the risk entirely, particularly in environments where insider threats exist or where credentials may be compromised through other attack vectors.
The technical exploitation of this vulnerability involves crafting specific XML files that, when processed by the affected Huawei devices, cause service disruptions. The improper handling of XML input data leads to abnormal service behavior, which manifests as denial of service conditions. This type of vulnerability is particularly concerning because it affects network infrastructure devices that typically operate continuously and are expected to maintain high availability. The attack scenario involves an authenticated local user who can submit malicious XML content through legitimate administrative interfaces, potentially causing service interruptions that could impact network connectivity, routing operations, or other critical network functions. The vulnerability demonstrates a classic example of how improper input handling can lead to service disruption, aligning with ATT&CK technique T1499.004, "Endpoint Denial of Service," which focuses on causing service unavailability through resource exhaustion or abnormal program behavior.
The operational impact of CVE-2017-17292 extends beyond simple service disruption, potentially affecting network reliability and business continuity for organizations relying on Huawei network infrastructure. When exploited, the vulnerability can cause routers and gateways to become unresponsive or require manual restart, creating network outages that may affect multiple users and services simultaneously. The affected devices include critical network components such as AR1200 series routers, SRG series security gateways, and various video conferencing endpoints that form part of enterprise network infrastructure. Organizations using these devices face potential risks including extended downtime, service degradation, and the need for emergency maintenance procedures. The vulnerability's presence across multiple product lines and software versions indicates a systemic issue within Huawei's XML processing implementations, requiring comprehensive remediation efforts across affected deployments. Network administrators must consider the potential for cascading failures when one device experiences service disruption, as network infrastructure components often depend on each other for proper operation.
Mitigation strategies for CVE-2017-17292 should focus on both immediate patching and operational controls to reduce exposure. The primary recommendation involves applying the latest security patches provided by Huawei to address the XML input validation issues in affected software versions. Organizations should prioritize patch deployment across all affected device models, particularly those in critical network paths or serving high-availability functions. Additionally, implementing network segmentation and access controls can limit the potential impact of authenticated local attacks by restricting administrative access to only authorized personnel. Network monitoring should include detection of unusual XML processing activities or service disruptions that might indicate exploitation attempts. Security teams should also consider implementing input validation controls at network boundaries where possible, though this may not fully address the local privilege escalation aspect of the vulnerability. The remediation process should include thorough testing of patches in non-production environments before deployment to ensure compatibility with existing network configurations. Organizations should also review their access control policies and credential management practices to minimize the risk of unauthorized local access to network devices. Regular vulnerability assessments and penetration testing should be conducted to identify similar input validation weaknesses in other network components and ensure comprehensive security posture maintenance.