CVE-2017-17298 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, 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, ViewPoint 9030 V100R011C02, V100R011C03 have a buffer overflow vulnerability. An unauthenticated, remote attacker may send specially crafted certificates to the affected products. Due to insufficient validation of the certificates, successful exploit may cause buffer overflow and some service abnormal.
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Analysis
by VulDB Data Team • 02/08/2023
This vulnerability represents a critical buffer overflow issue affecting multiple Huawei network equipment models including AR120-S, AR1200, AR150, AR160, AR200, AR2200, AR3200, AR3600, AR510, DP300, NetEngine16EX, RP200, SRG1300, SRG2300, SRG3300, TE30, TE40, TE50, TE60, TP3106, TP3206, and ViewPoint 9030 devices. The vulnerability stems from inadequate certificate validation mechanisms within the affected products' secure communication protocols. According to the Common Weakness Enumeration framework, this corresponds to CWE-121, which describes a stack-based buffer overflow condition where insufficient bounds checking allows attackers to overwrite adjacent memory locations. The attack vector is particularly concerning as it requires no authentication and can be executed remotely, making it highly accessible to malicious actors.
The technical exploitation of this vulnerability occurs when an unauthenticated remote attacker sends specially crafted certificates to the vulnerable Huawei devices. These malformed certificates bypass the validation checks that should normally prevent buffer overflows during certificate processing. The insufficient input validation allows malicious data to exceed the allocated buffer space, potentially leading to memory corruption that can result in arbitrary code execution or service disruption. The impact manifests as abnormal service behavior, which could range from denial of service conditions to complete system compromise depending on the specific implementation and execution environment.
From an operational security perspective, this vulnerability poses significant risks to enterprise network infrastructure as it affects a broad range of Huawei networking equipment across multiple product lines. The vulnerability's remote and unauthenticated nature means that attackers can exploit it without requiring physical access or valid credentials, making it particularly dangerous in environments where network devices are exposed to external traffic. Organizations running affected Huawei equipment face potential risks including unauthorized access to network services, data interception, and disruption of critical network operations. The vulnerability's presence in both wired and wireless network equipment across various firmware versions suggests a systemic issue within the affected product families.
Security mitigations for this vulnerability should include immediate firmware updates from Huawei to address the buffer overflow conditions in certificate processing. Network administrators should implement strict certificate validation policies and consider deploying network segmentation to limit exposure of vulnerable devices to untrusted networks. Monitoring for suspicious certificate exchanges and anomalous network behavior can help detect potential exploitation attempts. The vulnerability aligns with ATT&CK technique T1071.004, which covers application layer protocol: DNS, and may also relate to T1059.007 for command and scripting interpreter: powershell or T1566 for credential harvesting through social engineering, depending on how the vulnerability is exploited in practice. Organizations should also consider implementing intrusion detection systems to monitor for exploitation attempts targeting this specific buffer overflow condition.