CVE-2017-15334 in DP300
Summary
by MITRE
The SIP backup feature in Huawei DP300 V500R002C00, IPS Module V100R001C10, V100R001C20, V100R001C30, V500R001C00, V500R001C20, V500R001C30, V500R001C50, NGFW Module V100R001C10, V100R001C20, V100R001C30, V500R001C00, V500R001C20, V500R002C00, V500R002C10, NIP6300 V500R001C00, V500R001C20, V500R001C30, V500R001C50, NIP6600 V500R001C00, V500R001C20, V500R001C30, V500R001C50, NIP6800 V500R001C50, RP200 V500R002C00, V600R006C00, 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 V100R001C00, V100R001C20, V100R001C30, V500R001C00, V500R001C20, V500R001C30, V500R001C50, TE30 V100R001C02, V100R001C10, V500R002C00, V600R006C00, TE40 V500R002C00, V600R006C00, TE50 V500R002C00, V600R006C00, TE60 V100R001C01, V100R001C10, V500R002C00, V600R006C00, USG9500 V500R001C00, V500R001C20, V500R001C30, USG9520 V300R001C01, V300R001C20, USG9560 V300R001C01, V300R001C20, USG9580 V300R001C01, V300R001C20, VP9660 V200R001C02, V200R001C30, V500R002C00, V500R002C10, ViewPoint 8660 V100R008C03, ViewPoint 9030 V100R011C02, V100R011C03, eSpace U1981 V100R001C20, V200R003C00, V200R003C20, V200R003C30 has a buffer overflow vulnerability. An attacker may send specially crafted messages to the affected products. Due to the insufficient validation of some values for SIP messages, successful exploit may cause services abnormal.
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Analysis
by VulDB Data Team • 02/06/2023
The vulnerability identified as CVE-2017-15334 represents a critical buffer overflow flaw within the Session Initiation Protocol backup functionality of various Huawei network security appliances and communication devices. This vulnerability affects multiple product lines including DP300 series, IPS modules, NGFW modules, NIP6300, NIP6600, NIP6800, RP200, SVN5600, SVN5800, SeMG9811, Secospace USG series, TE series, USG9500 series, VP9660, ViewPoint series, and eSpace U1981 devices. The flaw resides in the insufficient validation of SIP message parameters during the backup process, creating a pathway for malicious actors to exploit the system through crafted SIP communications.
The technical implementation of this vulnerability stems from inadequate input validation mechanisms within the SIP backup feature. When the affected devices process specially crafted SIP messages, the system fails to properly validate parameter lengths and content, leading to buffer overflow conditions. This type of vulnerability falls under CWE-121, which specifically addresses stack-based buffer overflow conditions, and aligns with ATT&CK technique T1203, which involves exploiting software vulnerabilities to gain unauthorized access. The buffer overflow occurs during the processing of SIP backup operations, where the system attempts to store data in memory buffers that are insufficiently sized to handle the incoming payload, resulting in memory corruption that can be leveraged by attackers.
The operational impact of this vulnerability extends beyond simple service disruption, as successful exploitation could lead to complete system compromise and unauthorized access to sensitive network infrastructure. Attackers could potentially execute arbitrary code on affected devices, gain elevated privileges, or cause denial of service conditions that would severely impact network communications and security operations. The widespread nature of affected products across multiple Huawei security platforms creates a substantial attack surface, particularly for organizations that rely on these devices for critical network protection and communication services. The vulnerability is particularly concerning in enterprise environments where these devices often serve as core components of network security infrastructure.
Mitigation strategies for CVE-2017-15334 should prioritize immediate firmware updates from Huawei to address the buffer overflow vulnerability in the SIP backup functionality. Organizations should implement network segmentation to limit access to affected devices and restrict SIP traffic to trusted sources only. Security monitoring should be enhanced to detect unusual SIP message patterns that could indicate exploitation attempts, while network access control policies should be enforced to prevent unauthorized access to the backup features. Additionally, implementing intrusion detection systems with signatures specific to SIP-based attacks can help identify and block malicious traffic before it can exploit the vulnerability. Regular vulnerability assessments and penetration testing should be conducted to ensure that all affected devices are properly patched and that network security controls remain effective against similar threats. The remediation process should also include comprehensive network configuration reviews to ensure that SIP backup features are properly secured or disabled when not required for operational purposes.