CVE-2017-17253 in AR120-S
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 V200R006C10SPC300, 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, V200R006C16PWE, 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, V200R007C00SPC180T, V200R008C20, V200R008C30, DP300 V500R002C00, IPS Module V100R001C10SPC200, V100R001C20, V100R001C30, V500R001C00, V500R001C20, V500R001C30, V500R001C50, NGFW Module V100R001C10SPC200, V100R001C20, V100R001C30, V500R001C00, V500R001C20, V500R002C00, V500R002C10, NIP6300 V500R001C00, V500R001C20, V500R001C30, V500R001C50, NIP6600 V500R001C00, V500R001C20, V500R001C30, V500R001C50, NIP6800 V500R001C50, NetEngine16EX V200R006C10, V200R007C00, V200R008C20, V200R008C30, RSE6500 V500R002C00, SRG1300 V200R006C10, V200R007C00, V200R007C02, V200R008C20, V200R008C30, SRG2300 V200R006C10, V200R007C00, V200R007C02, V200R008C20, V200R008C30, SRG3300 V200R006C10, V200R007C00, V200R008C20, V200R008C30, SVN5600 V200R003C00, V200R003C10, SVN5800 V200R003C00, V200R003C10, SVN5800-C V200R003C00, V200R003C10, SeMG9811 V300R001C01, Secospace USG6300 V100R001C10, V100R001C20, V100R001C30, V500R001C00, V500R001C20, V500R001C30, V500R001C50, Secospace USG6500 V100R001C10, V100R001C20, V100R001C30, V500R001C00, V500R001C20, V500R001C30, V500R001C50, Secospace USG6600 V100R001C00SPC200, V100R001C10, V100R001C20, V100R001C30, V500R001C00, V500R001C20, V500R001C30, V500R001C50, V500R001C60, TE30 V100R001C02, V100R001C10, V500R002C00, V600R006C00, TE40 V500R002C00, V600R006C00, TE50 V500R002C00, V600R006C00, TE60 V100R001C01, V100R001C10, V500R002C00, V600R006C00, TP3106 V100R002C00, TP3206 V100R002C00, V100R002C10, USG6000V V500R001C20, USG9500 V500R001C00, V500R001C20, V500R001C30, V500R001C50, USG9520 V300R001C01, V300R001C20, USG9560 V300R001C01, V300R001C20, USG9580 V300R001C01, V300R001C20, VP9660 V500R002C00, V500R002C10, ViewPoint 8660 V100R008C03, ViewPoint 9030 V100R011C02 has an out-of-bounds read vulnerability in H323 protocol. An unauthenticated, remote attacker could craft malformed packets with specific parameters and send the packets to the affected products. Due to insufficient validation of packets, which could be exploited to cause process crash.
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Analysis
by VulDB Data Team • 03/07/2023
The vulnerability identified as CVE-2017-17253 affects a wide range of Huawei network equipment including routers, firewalls, and security appliances running specific firmware versions. This issue stems from an out-of-bounds read condition within the H323 protocol implementation, which is commonly used for voice and video communication over IP networks. The flaw allows an unauthenticated remote attacker to exploit the system by sending specially crafted packets that contain malformed parameters designed to trigger the vulnerability. Such an attack could lead to a denial-of-service condition where the targeted device crashes or becomes unresponsive, disrupting network services and potentially creating a security risk.
The technical nature of this vulnerability aligns with CWE-125, which describes out-of-bounds read conditions where an application attempts to read memory beyond the bounds of a buffer. This particular weakness is classified under the broader category of input validation failures, where insufficient checks on incoming data allow malicious payloads to cause unexpected behavior. The impact is further amplified by the fact that the vulnerability affects multiple product lines including AR series routers, USG firewalls, and various security modules, indicating a widespread exposure across Huawei's networking portfolio. The attack vector is remote and does not require authentication, making it particularly dangerous as it can be exploited from any network location without prior access credentials.
From an operational perspective, the vulnerability poses significant risks to network availability and service continuity. When exploited, the out-of-bounds read can cause processes within the affected devices to crash, leading to service interruptions that may affect voice and video communications, network management systems, and other services relying on the compromised infrastructure. This vulnerability can be leveraged by attackers to perform denial-of-service attacks, potentially disrupting critical business operations. The potential for exploitation is heightened by the fact that the vulnerability exists in widely deployed network infrastructure components, making it a prime target for attackers seeking to disrupt network operations at scale.
Mitigation strategies for this vulnerability should include immediate firmware updates from Huawei to patch the identified flaw in affected devices. Network administrators should also implement network segmentation and monitoring to detect anomalous traffic patterns that may indicate exploitation attempts. The implementation of intrusion detection systems can help identify malformed H323 packets that could be indicators of an attack. Additionally, access controls should be reviewed to ensure that only authorized users can access network management interfaces, reducing the potential attack surface. Organizations should also consider deploying network access control policies that limit the exposure of vulnerable devices to untrusted networks. According to ATT&CK framework, this vulnerability could be categorized under T1499.004 for network denial-of-service, and T1595.001 for reconnaissance through network scanning to identify vulnerable targets, emphasizing the need for proactive network defense measures.