CVE-2017-2223 in TS-WPTCAM
Summary
by MITRE
Cross-site request forgery (CSRF) vulnerability in TS-WPTCAM, TS-PTCAM, TS-PTCAM/POE, TS-WLC2, TS-WLCE, TS-WRLC firmware version 1.19 and earlier and TS-WPTCAM2 firmware version 1.01 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.
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Analysis
by VulDB Data Team • 12/31/2020
This cross-site request forgery vulnerability exists within multiple firmware versions of Telesis network camera and wireless access point products including TS-WPTCAM, TS-PTCAM, TS-PTCAM/POE, TS-WLC2, TS-WLCE, TS-WRLC, and TS-WPTCAM2. The flaw allows remote attackers to manipulate authenticated administrative sessions without proper authorization, potentially enabling complete system compromise. The vulnerability affects firmware versions 1.19 and earlier for the first set of devices, and version 1.01 and earlier for TS-WPTCAM2 specifically. This represents a critical security weakness that violates fundamental web application security principles and aligns with CWE-352, which categorizes cross-site request forgery as a serious web application vulnerability.
The technical implementation of this CSRF flaw stems from the absence of proper anti-CSRF protections within the web interfaces of these network devices. When administrators interact with the device management interfaces, the authentication tokens or session identifiers are not adequately validated or refreshed for each request. Attackers can craft malicious web pages or exploit existing web content to trick authenticated administrators into performing unintended actions on the affected devices. These attacks typically involve sending crafted HTTP requests that leverage the victim's authenticated session to execute administrative commands without their knowledge or consent.
The operational impact of this vulnerability is severe as it enables remote attackers to gain administrative control over network camera and wireless access point devices. Successful exploitation could allow attackers to modify device configurations, access video feeds, change user credentials, disable security features, or even use the compromised devices as entry points for broader network infiltration. The vulnerability is particularly dangerous because it targets administrative interfaces that are often accessible from external networks, making it possible for attackers to compromise these devices from anywhere with internet connectivity. This aligns with ATT&CK technique T1071.004 for application layer protocol usage and T1566 for credential harvesting through social engineering or direct exploitation.
Organizations should immediately implement multiple layers of mitigation strategies to address this vulnerability. Firmware updates from Telesis should be applied as soon as available to patch the CSRF implementation flaws. Network segmentation should be enforced to limit direct external access to these devices, with administrative interfaces restricted to trusted internal networks only. Additionally, implementing proper web application firewalls and monitoring for suspicious administrative activities can help detect exploitation attempts. The vulnerability demonstrates the critical importance of proper session management and anti-CSRF token implementation in embedded network devices, as outlined in OWASP Top 10 2017 category A07 and the NIST Cybersecurity Framework's identify and protect functions. Regular security assessments of network infrastructure components are essential to identify similar vulnerabilities in other embedded systems that may be similarly exposed to remote exploitation.