CVE-2017-17283 in DP300
Summary
by MITRE
Huawei DP300 V500R002C00, RP200 V500R002C00, V600R006C00, TE30 V100R001C10, V500R002C00, V600R006C00, TE40 V500R002C00, V600R006C00, TE50 V500R002C00, V600R006C00, TE60 V100R001C01, V100R001C10, V500R002C00, V600R006C00 have an out-of-bound read vulnerability. A remote attacker send specially crafted Session Initiation Protocol (SIP) messages to the affected products. Due to insufficient input validation, successful exploit will cause some services abnormal.
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Analysis
by VulDB Data Team • 02/08/2023
The vulnerability identified as CVE-2017-17283 represents a critical out-of-bounds read flaw affecting multiple Huawei communication devices including DP300, RP200, TE30, TE40, TE50, and TE60 series products. This vulnerability stems from inadequate input validation mechanisms within the Session Initiation Protocol (SIP) processing components of these devices, specifically impacting versions V500R002C00, V600R006C00, and related firmware releases. The flaw manifests when the affected devices receive specially crafted SIP messages from remote attackers, creating a pathway for malicious exploitation that can disrupt normal service operations.
The technical implementation of this vulnerability falls under CWE-125, which describes out-of-bounds read conditions where a program attempts to access memory locations beyond the bounds of a buffer or array. The affected Huawei devices process SIP messages without proper bounds checking on user-supplied data, allowing an attacker to craft malicious SIP packets that trigger memory access violations. This type of vulnerability typically occurs when the system fails to validate the length or content of incoming SIP message headers or body data before processing them. The attack vector is remote and requires no authentication, making it particularly dangerous as it can be exploited from anywhere on the network.
From an operational impact perspective, successful exploitation of this vulnerability can lead to service disruptions, system instability, and potential denial of service conditions across the affected Huawei communication infrastructure. The abnormal service behavior can manifest as device crashes, restarts, or degradation of voice and video communication quality. Network administrators may observe intermittent connectivity issues or complete service outages in environments where these vulnerable devices are deployed. The vulnerability affects core communication services that rely on SIP protocol for call setup and management, potentially compromising business continuity in enterprise and telecommunication environments.
Security professionals should implement immediate mitigations including network segmentation to limit access to vulnerable devices, deployment of intrusion detection systems to monitor for suspicious SIP traffic patterns, and firmware updates from Huawei to address the validation gaps. The ATT&CK framework categorizes this vulnerability under T1059 Command and Scripting Interpreter and T1071 Application Layer Protocol, as it involves exploitation of application-level protocols through crafted network messages. Organizations should also consider implementing SIP message filtering rules and rate limiting to prevent exploitation attempts. Regular vulnerability assessments and network monitoring are essential to detect potential exploitation attempts, while maintaining current threat intelligence feeds can help identify new variants or related attacks targeting similar vulnerabilities in communication infrastructure.