CVSS: 7.4EPSS: 0%CPEs: 7EXPL: 0CVE-2021-3618
https://notcve.org/view.php?id=CVE-2021-3618
ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates. A MiTM attacker having access to victim's traffic at the TCP/IP layer can redirect traffic from one subdomain to another, resulting in a valid TLS session. This breaks the authentication of TLS and cross-protocol attacks may be possible where the behavior of one protocol service may compromise the other at the application layer. ALPACA es un ataque de confusión de contenido de protocolo de capa de aplicación, que explota servidores TLS que implementan diferentes protocolos pero que usan certificados compatibles, como certificados multidominio o comodín. Un atacante de tipo MiTM que tenga acceso al tráfico de la víctima en la capa TCP/IP puede redirigir el tráfico de un subdominio a otro, resultando en a una sesión TLS válida. • https://alpaca-attack.com https://bugzilla.redhat.com/show_bug.cgi?id=1975623 https://lists.debian.org/debian-lts-announce/2022/11/msg00031.html • CWE-295: Improper Certificate Validation •
CVSS: 9.8EPSS: 1%CPEs: 2EXPL: 1CVE-2017-20005
https://notcve.org/view.php?id=CVE-2017-20005
NGINX before 1.13.6 has a buffer overflow for years that exceed four digits, as demonstrated by a file with a modification date in 1969 that causes an integer overflow (or a false modification date far in the future), when encountered by the autoindex module. NGINX versiones anteriores a 1.13.6, presenta un desbordamiento de búfer para los años que superan los cuatro dígitos, como es demostrado por un archivo con una fecha de modificación en 1969 que causa un desbordamiento de enteros (o una falsa fecha de modificación en el futuro), cuando es encontrado por el módulo autoindex • http://nginx.org/en/CHANGES https://github.com/nginx/nginx/commit/0206ebe76f748bb39d9de4dd4b3fce777fdfdccf https://github.com/nginx/nginx/commit/b900cc28fcbb4cf5a32ab62f80b59292e1c85b4b https://lists.debian.org/debian-lts-announce/2021/06/msg00009.html https://security.netapp.com/advisory/ntap-20210805-0006 https://trac.nginx.org/nginx/ticket/1368 • CWE-190: Integer Overflow or Wraparound •
CVSS: 8.1EPSS: 37%CPEs: 25EXPL: 4CVE-2021-23017 – Nginx 1.20.0 - Denial of Service (DOS)
https://notcve.org/view.php?id=CVE-2021-23017
A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact. Se identificó un problema de seguridad en el solucionador de nginx, que podría permitir a un atacante que pueda falsificar paquetes UDP desde el servidor DNS para causar una sobrescritura de memoria de 1 byte, lo que causaría un bloqueo del proceso de trabajo u otro impacto potencial A flaw was found in nginx. An off-by-one error while processing DNS responses allows a network attacker to write a dot character out of bounds in a heap allocated buffer which can allow overwriting the least significant byte of next heap chunk metadata likely leading to a remote code execution in certain circumstances. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Nginx version 1.20.0 suffers from a denial of service vulnerability. • https://www.exploit-db.com/exploits/50973 https://github.com/M507/CVE-2021-23017-PoC https://github.com/ShivamDey/CVE-2021-23017 https://github.com/lakshit1212/CVE-2021-23017-PoC http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009%40%3Cnotifications.apisix.apache.org%3E https://lists.apache.org/thread.html/r4d4966221ca399 • CWE-193: Off-by-one Error •
CVSS: 9.8EPSS: 0%CPEs: 4EXPL: 0CVE-2020-27730
https://notcve.org/view.php?id=CVE-2020-27730
In versions 3.0.0-3.9.0, 2.0.0-2.9.0, and 1.0.1, the NGINX Controller Agent does not use absolute paths when calling system utilities. En versiones 3.0.0-3.9.0, 2.0.0-2.9.0 y 1.0.1, el NGINX Controller Agent no usa rutas absolutas cuando llaman a las utilidades del sistema • https://security.netapp.com/advisory/ntap-20210115-0004 https://support.f5.com/csp/article/K43530108 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') •
CVSS: 5.8EPSS: 0%CPEs: 3EXPL: 0CVE-2020-5909
https://notcve.org/view.php?id=CVE-2020-5909
In versions 3.0.0-3.5.0, 2.0.0-2.9.0, and 1.0.1, when users run the command displayed in NGINX Controller user interface (UI) to fetch the agent installer, the server TLS certificate is not verified. En las versiones 3.0.0 hasta 3.5.0, 2.0.0 hasta 2.9.0 y 1.0.1, cuando los usuarios ejecutan el comando desplegado en la Interfaz de Usuario (UI) del NGINX Controller para obtener el instalador del agente, el certificado TLS del servidor no es verificado • https://support.f5.com/csp/article/K31150658 • CWE-295: Improper Certificate Validation •