CVE-2017-7921
CVE-2017-7921
Em resumo
Câmeras de segurança Hikvision fabricadas entre 2014 e 2016 possuem uma falha de autenticação que permite que atacantes burlem as defesas e acessem o dispositivo sem permissão, podendo visualizar ou controlar a câmera.
Detalhe técnico
Uma vulnerabilidade de autenticação imprópria afeta múltiplas séries de câmeras IP Hikvision (DS-2CD2xx2F-I, DS-2CD2xx0F-I, DS-2CD2xx2FWD, DS-2CD4x2xFWD, DS-2CD4xx5, DS-2DFx e DS-2CD63xx) em versões de firmware de 5.2.0 até 5.4.5, permitindo que atacantes contornem mecanismos de autenticação sem credenciais válidas. Isso possibilita escalação de privilégios e acesso não autorizado a funções do dispositivo e dados de vídeo gravado.
Resumo gerado e traduzido por IA a partir da descrição oficial.
An Improper Authentication issue was discovered in Hikvision DS-2CD2xx2F-I Series V5.2.0 build 140721 to V5.4.0 build 160530, DS-2CD2xx0F-I Series V5.2.0 build 140721 to V5.4.0 Build 160401, DS-2CD2xx2FWD Series V5.3.1 build 150410 to V5.4.4 Build 161125, DS-2CD4x2xFWD Series V5.2.0 build 140721 to V5.4.0 Build 160414, DS-2CD4xx5 Series V5.2.0 build 140721 to V5.4.0 Build 160421, DS-2DFx Series V5.2.0 build 140805 to V5.4.5 Build 160928, and DS-2CD63xx Series V5.0.9 build 140305 to V5.3.5 Build 160106 devices. The improper authentication vulnerability occurs when an application does not adequately or correctly authenticate users. This may allow a malicious user to escalate his or her privileges on the system and gain access to sensitive information.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
n/a · Hikvision CamerasPoCs públicas encontradas — 21
githubgithub.com/chrisjd20/hikvision_CVE-2017-7921_auth_bypass_config_decryptor★ 116githubgithub.com/JrDw0/CVE-2017-7921-EXP★ 102githubgithub.com/K3ysTr0K3R/CVE-2017-7921-EXPLOIT★ 46githubgithub.com/BurnyMcDull/CVE-2017-7921★ 36githubgithub.com/voidsshadows/Hikvision-City-Hunter★ 19githubgithub.com/MisakaMikato/cve-2017-7921-golang★ 12githubgithub.com/kooroshsanaei/HikVision-CVE-2017-7921★ 6githubgithub.com/201646613/CVE-2017-7921★ 6githubgithub.com/Wyl-cmd/CVE-2017-7921-Research-Toolkit★ 5githubgithub.com/aengussong/hikvision_probe★ 3githubgithub.com/krypton612/hikivision★ 2githubgithub.com/KelvinWin10/CVE-2017-7921-rewrite★ 1githubgithub.com/0xf3d0rq/CVE-2017-7921★ 1githubgithub.com/saaydmr/hikvision-exploiter★ 1githubgithub.com/lastvocher/Hikvision-CVE-2017-7921-decryptor★ 0githubgithub.com/AnonkiGroup/AnonHik★ 0githubgithub.com/mverschu/CVE-2017-7921★ 0githubgithub.com/p4tq/hikvision_CVE-2017-7921_auth_bypass_config_decryptor★ 0githubgithub.com/inj3ction/CVE-2017-7921-EXP★ 0githubgithub.com/b3pwn3d/CVE-2017-7921★ 0githubgithub.com/GabrielAvls/CVE-2017-7921★ 0⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
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Falar com a TrueHacking →Referências
https://ghostbin.com/paste/q2vq2https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7921https://www.hikvision.com/cn/support/CybersecurityCenter/SecurityNotices/20170314/https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification--privilege-escalating-vulnerability-in-cer/https://www.hikvision.com/us-en/support/document-center/special-notices/privilege-escalating-vulnerability-in-certain-hikvision-ip-cameras/http://www.hikvision.com/us/about_10805.htmlhttp://www.securityfocus.com/bid/98313