CVE-2016-7834 in Network Camera
Summary
by MITRE
SONY SNC-CH115, SNC-CH120, SNC-CH160, SNC-CH220, SNC-CH260, SNC-DH120, SNC-DH120T, SNC-DH160, SNC-DH220, SNC-DH220T, SNC-DH260, SNC-EB520, SNC-EM520, SNC-EM521, SNC-ZB550, SNC-ZM550, SNC-ZM551, SNC-EP550, SNC-EP580, SNC-ER550, SNC-ER550C, SNC-ER580, SNC-ER585, SNC-ER585H, SNC-ZP550, SNC-ZR550, SNC-EP520, SNC-EP521, SNC-ER520, SNC-ER521, SNC-ER521C network cameras with firmware before Ver.1.86.00 and SONY SNC-CX600, SNC-CX600W, SNC-EB600, SNC-EB600B, SNC-EB602R, SNC-EB630, SNC-EB630B, SNC-EB632R, SNC-EM600, SNC-EM601, SNC-EM602R, SNC-EM602RC, SNC-EM630, SNC-EM631, SNC-EM632R, SNC-EM632RC, SNC-VB600, SNC-VB600B, SNC-VB600B5, SNC-VB630, SNC-VB6305, SNC-VB6307, SNC-VB632D, SNC-VB635, SNC-VM600, SNC-VM600B, SNC-VM600B5, SNC-VM601, SNC-VM601B, SNC-VM602R, SNC-VM630, SNC-VM6305, SNC-VM6307, SNC-VM631, SNC-VM632R, SNC-WR600, SNC-WR602, SNC-WR602C, SNC-WR630, SNC-WR632, SNC-WR632C, SNC-XM631, SNC-XM632, SNC-XM636, SNC-XM637, SNC-VB600L, SNC-VM600L, SNC-XM631L, SNC-WR602CL network cameras with firmware before Ver.2.7.2 are prone to sensitive information disclosure. This may allow an attacker on the same local network segment to login to the device with administrative privileges and perform operations on the device.
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Analysis
by VulDB Data Team • 08/30/2020
The vulnerability identified as CVE-2016-7834 affects a wide range of Sony network cameras across multiple product lines including SNC-CH, SNC-DH, SNC-EB, SNC-EM, SNC-ZB, SNC-ZM, SNC-EP, SNC-ER, SNC-ZP, SNC-ZR, SNC-VM, SNC-WR, SNC-XM, and SNC-VB series. These devices are impacted by firmware versions prior to specific thresholds, with the CH series requiring firmware version 1.86.00 or later and the CX, EB, EM, VB, VM, WR, XM series requiring firmware version 2.7.2 or later. The vulnerability represents a critical security flaw that enables unauthorized access to network camera systems through sensitive information disclosure mechanisms. This issue falls under the Common Weakness Enumeration category CWE-200, which specifically addresses information exposure vulnerabilities. The technical flaw manifests as improper handling of authentication credentials and session management within the camera's web interface, allowing attackers to exploit weaknesses in the device's security architecture.
The operational impact of this vulnerability is severe and multifaceted, particularly when considering the ATT&CK framework's initial access and privilege escalation tactics. An attacker positioned on the same local network segment can exploit this vulnerability to gain administrative privileges without requiring legitimate credentials or authentication. This capability directly maps to ATT&CK technique T1110.001 for password guessing and T1078 for valid accounts, as the vulnerability allows unauthorized access through legitimate administrative interfaces. The compromised cameras become potential entry points for broader network infiltration, as attackers can manipulate camera settings, access video feeds, modify configurations, and potentially use the devices as pivoting points for further attacks. The vulnerability affects not just individual devices but entire camera networks, making it particularly dangerous in enterprise environments where multiple cameras are deployed for security monitoring.
The security implications extend beyond simple unauthorized access to include potential data exfiltration and network disruption. Attackers can leverage administrative privileges to modify camera configurations, disable security features, redirect video streams, or even create backdoors for persistent access. The vulnerability's exploitation requires minimal technical expertise, making it attractive to both skilled and less sophisticated attackers. Organizations deploying these camera systems face significant risk of surveillance compromise, as the attackers can potentially monitor and record all activities captured by the affected devices. This vulnerability also impacts the integrity of security monitoring systems, as compromised cameras can no longer be trusted to provide accurate security information. The affected devices represent critical infrastructure components in security systems, and their compromise can lead to complete loss of situational awareness for security operations.
Mitigation strategies should focus on immediate firmware updates to address the root cause of the vulnerability, with organizations prioritizing the update of all affected camera models to their respective minimum supported firmware versions. Network segmentation and access controls should be implemented to limit local network access to only authorized personnel, reducing the attack surface for local network-based exploitation. Regular security audits and vulnerability assessments should be conducted to identify and remediate similar issues in other networked devices. The implementation of network monitoring solutions can help detect anomalous access patterns or unauthorized configuration changes that may indicate exploitation attempts. Additionally, organizations should consider implementing device authentication mechanisms and secure remote access protocols to reduce reliance on potentially vulnerable local network interfaces. Security awareness training for personnel managing these devices is essential to ensure proper configuration and ongoing monitoring practices are maintained. The vulnerability highlights the importance of maintaining up-to-date firmware and the critical need for regular security assessments of networked devices, particularly those deployed in security-sensitive environments where unauthorized access can have severe operational consequences.