CVE-2014-8570 in SXXX
Summary
by MITRE
Huawei S9300, S9303, S9306, S9312 with software V100R002; S7700, S7703, S7706, S7712 with software V100R003, V100R006, V200R001, V200R002, V200R003, V200R005; S9300E, S9303E, S9306E, S9312E with software V200R001; S9700, S9703, S9706, S9712 with software V200R002, V200R003, V200R005; S12708, S12712 with software V200R005; 5700HI, 5300HI with software V100R006, V200R001, V200R002, V200R003, V200R005; 5710EI, 5310EI with software V200R002, V200R003, V200R005; 5710HI, 5310HI with software V200R003, V200R005; 6700EI, 6300EI with software V200R005 could cause a leak of IP addresses of devices, related to unintended interface support for VRP MPLS LSP Ping.
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Analysis
by VulDB Data Team • 08/24/2020
This vulnerability affects Huawei networking equipment across multiple product lines including S9300, S7700, S9300E, S9700, S12700, and various 5700 and 6700 series devices. The flaw resides in the VRP (Versatile Routing Platform) software implementation where MPLS LSP Ping functionality inadvertently exposes IP address information of network devices. This represents a significant information disclosure vulnerability that violates security principles by revealing internal network topology details without proper access controls. The vulnerability is classified under CWE-200 as exposure of sensitive information and aligns with ATT&CK technique T1082 for system information discovery.
The technical implementation flaw occurs when the MPLS LSP Ping feature processes certain packets and returns information that includes device IP addresses in unexpected contexts. This happens because the software does not properly validate or restrict the information returned during MPLS LSP Ping operations, allowing unauthorized access to internal routing information. The vulnerability manifests when remote attackers can trigger specific MPLS operations that cause the system to leak IP address details through the ping responses. This behavior creates an information disclosure channel that can be exploited by threat actors to map network topology and identify potential targets for further attacks.
The operational impact of this vulnerability extends beyond simple information disclosure as it provides attackers with valuable reconnaissance data for planning more sophisticated attacks. Network administrators may not immediately detect this leak since it occurs during normal operational procedures, making it difficult to identify the compromise. The exposure of internal IP addresses can enable attackers to conduct targeted attacks against specific network segments, potentially leading to unauthorized access, data exfiltration, or network disruption. This vulnerability particularly impacts enterprise networks where internal IP addressing schemes and routing information are critical components of network security architecture.
Organizations should implement immediate mitigations including disabling MPLS LSP Ping functionality when not required, applying the latest firmware updates from Huawei that address this specific vulnerability, and implementing network segmentation to limit the impact of information disclosure. Network monitoring should be enhanced to detect unusual MPLS traffic patterns that might indicate exploitation attempts. The vulnerability highlights the importance of proper input validation and access control implementation in network operating systems, aligning with security best practices outlined in NIST SP 800-53 and ISO 27001 frameworks. Regular security assessments and vulnerability scanning should be conducted to identify similar implementation flaws in network infrastructure components.