CVE-2017-17142 in DP300
Summary
by MITRE
SIP module in Huawei DP300 V500R002C00; V500R002C00SPC100; V500R002C00SPC200; V500R002C00SPC300; V500R002C00SPC400; V500R002C00SPC500; V500R002C00SPC600; V500R002C00SPC800; V500R002C00SPC900; V500R002C00SPCa00; RP200 V500R002C00SPC200; V600R006C00; V600R006C00SPC200; RSE6500 V500R002C00SPC100; V500R002C00SPC200; V500R002C00SPC300; V500R002C00SPC300T; V500R002C00SPC500; V500R002C00SPC600; V500R002C00SPC700; V500R002C00T; TE30 V100R001C10; V100R001C10SPC100; V100R001C10SPC200B010; V100R001C10SPC300; V100R001C10SPC500; V100R001C10SPC600; V100R001C10SPC700B010; V100R001C10SPC800; V500R002C00SPC200; V500R002C00SPC500; V500R002C00SPC600; V500R002C00SPC700; V500R002C00SPC900; V500R002C00SPCb00; V600R006C00; TE40 V500R002C00SPC600; V500R002C00SPC700; V500R002C00SPC900; V500R002C00SPCb00; V600R006C00; V600R006C00SPC200; TE50 V500R002C00SPC600; V500R002C00SPC700; V500R002C00SPCb00; V600R006C00; V600R006C00SPC200; TE60 V100R001C01SPC100; V100R001C01SPC107TB010; V100R001C10; V100R001C10SPC300; V100R001C10SPC400; V100R001C10SPC500; V100R001C10SPC600; V100R001C10SPC700; V100R001C10SPC800; V100R001C10SPC900; V500R002C00; V500R002C00SPC100; V500R002C00SPC200; V500R002C00SPC300; V500R002C00SPC600; V500R002C00SPC700; V500R002C00SPC800; V500R002C00SPC900; V500R002C00SPCa00; V500R002C00SPCb00; V500R002C00SPCd00; V600R006C00; V600R006C00SPC100; V600R006C00SPC200; V600R006C00SPC300; TP3106 V100R002C00; V100R002C00SPC200; V100R002C00SPC400; V100R002C00SPC600; V100R002C00SPC700; V100R002C00SPC800; TP3206 V100R002C00; V100R002C00SPC200; V100R002C00SPC400; V100R002C00SPC600; V100R002C00SPC700; V100R002C10; ViewPoint 9030 V100R011C02SPC100; V100R011C03B012SP15; V100R011C03B012SP16; V100R011C03B015SP03; V100R011C03LGWL01SPC100; V100R011C03SPC100; V100R011C03SPC200; V100R011C03SPC300; V100R011C03SPC400; V100R011C03SPC500; eSpace U1960 V200R003C30SPC200; eSpace U1981 V100R001C20SPC700; V200R003C20SPCa00 has an overflow vulnerability that attacker can exploit by sending a specially crafted SIP message leading to a process reboot at random.
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Analysis
by VulDB Data Team • 02/16/2023
The vulnerability identified as CVE-2017-17142 affects the Session Initiation Protocol SIP module in multiple Huawei communication devices including DP300, RP200, RSE6500, TE30, TE40, TE50, TE60, TP3106, TP3206, ViewPoint 9030, and eSpace U1960 and U1981 series. This issue manifests as a buffer overflow within the SIP processing functionality of these devices, which is classified under CWE-121 as a stack-based buffer overflow. The vulnerability resides in how the system handles incoming SIP messages, specifically when processing certain malformed or crafted SIP requests that exceed the allocated buffer space.
The technical flaw occurs when the SIP module receives a specially crafted SIP message that triggers an overflow condition in the memory allocation used for processing these requests. This overflow leads to the corruption of adjacent memory locations and ultimately results in an abnormal termination of the SIP service process. The vulnerability is particularly concerning because it allows remote attackers to perform a denial of service attack that can cause the device to reboot unpredictably, disrupting communication services and potentially creating opportunities for further exploitation.
From an operational perspective, this vulnerability represents a significant risk to enterprise communication infrastructure as it can be exploited remotely without authentication. The impact extends beyond simple service disruption to potentially enable attackers to gain unauthorized access to the device, as outlined in the MITRE ATT&CK framework under T1210 - Exploitation of Remote Services. The random nature of the reboot makes it difficult for administrators to predict or prevent the occurrence of the attack, complicating incident response efforts. The vulnerability affects a wide range of Huawei devices spanning multiple product lines and software versions, amplifying the potential impact across various network environments.
Mitigation strategies should focus on implementing immediate firmware updates from Huawei to address the buffer overflow condition in the SIP module. Network segmentation and access control measures can help limit the attack surface by restricting direct access to SIP ports from untrusted networks. Additionally, monitoring systems should be deployed to detect unusual reboot patterns or abnormal SIP traffic that may indicate exploitation attempts. The implementation of intrusion detection systems capable of identifying malformed SIP messages and network access controls that restrict SIP traffic to authorized endpoints can significantly reduce the risk of exploitation. Organizations should also consider disabling SIP functionality when not required and regularly review device configurations to ensure compliance with security best practices.