CVE-2024-3765 in AHB7804R-MH-V2
Summary
by MITRE • 04/15/2024
A vulnerability classified as critical was found in Xiongmai AHB7804R-MH-V2, AHB8004T-GL, AHB8008T-GL, AHB7004T-GS-V3, AHB7004T-MHV2, AHB8032F-LME and XM530_R80X30-PQ_8M. Affected by this vulnerability is an unknown functionality of the component Sofia Service. The manipulation with the input ff00000000000000000000000000f103250000007b202252657422203a203130302c202253657373696f6e494422203a202230783022207d0a leads to improper access controls. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-260605 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 05/22/2024
This critical vulnerability affects multiple Xiongmai video surveillance devices including models AHB7804R-MH-V2, AHB8004T-GL, AHB8008T-GL, AHB7004T-GS-V3, AHB7004T-MHV2, AHB8032F-LME, and XM530_R80X30-PQ_8M. The flaw resides in the Sofia Service component which handles authentication and session management functions. The vulnerability stems from improper access control mechanisms that allow unauthorized manipulation of session identifiers and authentication parameters. The specific payload ff00000000000000000000000000f103250000007b202252657422203a203130302c202253657373696f6e494422203a202230783022207d0a demonstrates a crafted input that exploits the service's failure to properly validate session data, potentially allowing attackers to bypass authentication mechanisms. This vulnerability operates under CWE-285 which specifically addresses improper access control issues, making it particularly dangerous as it could enable unauthorized access to surveillance systems that are often deployed in sensitive environments where security is paramount.
The remote exploitation capability of this vulnerability presents significant operational risks for organizations relying on these surveillance devices. Attackers can leverage this flaw to gain unauthorized access to video feeds, modify system configurations, or potentially escalate privileges within the affected systems. The disclosure of the exploit to the public means that threat actors can readily implement this attack without requiring advanced technical skills or specific knowledge of the underlying system architecture. This vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and credential access, as the improper access control allows attackers to assume valid session identities. The lack of vendor response after initial disclosure creates additional risk as organizations cannot rely on official patches or updates to address the issue, potentially leaving systems exposed for extended periods.
Organizations utilizing affected Xiongmai devices should implement immediate mitigations including network segmentation to isolate these devices from critical infrastructure, deployment of network monitoring to detect anomalous authentication patterns, and implementation of intrusion detection systems to identify exploitation attempts. The most effective immediate solution involves disabling unnecessary network services and implementing strict firewall rules that limit access to only authorized administrative interfaces. System administrators should also conduct thorough audits of all active sessions and immediately invalidate existing session identifiers to prevent exploitation of any active unauthorized access. Given the critical nature of this vulnerability and the lack of vendor response, organizations should consider implementing temporary workarounds such as deploying dedicated security appliances or consulting with cybersecurity firms to develop custom mitigation strategies. The vulnerability demonstrates the importance of maintaining up-to-date security patches and the risks associated with vendor inaction in addressing critical security flaws. This issue highlights the broader challenge of securing Internet of Things devices where manufacturers may not provide timely security updates or respond to vulnerability reports, leaving end users vulnerable to known exploits.