Netcore / Netis Routers RCE via UDP Port 53413 Backdoor
90Vexday Risk Score
Corrija agora. Ela exploração observada pelo VulnCheck e tem exploit funcional público.
ssvc Actcvss 9.3epss 20%
da publicação à arma0 dias
Publicada no NVD16 de jul.
metasploit25 de ago.
VulnCheck+238d
probabilidade de exploração
20%top 3% das CVEs
exploração observada
simVulnCheck
3 exploit(s) público(s)
A remote code execution vulnerability exists in multiple Netcore and Netis routers models with firmware released prior to August 2014 due to the presence of an undocumented backdoor listener on UDP port 53413. Exact version boundaries remain undocumented. An unauthenticated remote attacker can send specially crafted UDP packets to execute arbitrary commands on the affected device. This backdoor uses a hardcoded authentication mechanism and accepts shell commands post-authentication. Some device models include a non-standard implementation of the `echo` command, which may affect exploitability.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
PoCs públicas encontradas — 3
cve_referenceraw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/misc/netcore_udp_53413_backdoor.rbnão verificadocve_referencevulners.com/metasploit/MSF:EXPLOIT-LINUX-MISC-NETCORE_UDP_53413_BACKDOOR-não verificadocve_referencewww.exploit-db.com/exploits/43387não verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
Referências
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/misc/netcore_udp_53413_backdoor.rbhttps://vulners.com/metasploit/MSF:EXPLOIT-LINUX-MISC-NETCORE_UDP_53413_BACKDOOR-https://web.archive.org/web/20140828114943/http://blog.trendmicro.com/trendlabs-security-intelligence/netis-routers-leave-wide-open-backdoor/https://www.exploit-db.com/exploits/43387https://www.seebug.org/vuldb/ssvid-90227https://www.shadowserver.org/what-we-do/network-reporting/netcore-netis-router-vulnerability-scan-report/https://www.vulncheck.com/advisories/netcore-netis-routers-backdoor-rce