SysAdmin 24x7

Múltiples vulnerabilidades en Cloud Pak System de IBM Fecha de publicación: 21/11/2019 Importancia: 4 - Alta Recursos afectados:  IBM Cloud Pak System, versión 2.3.0. Descripción:  Se han identificado dos vulnerabilidades, ambas de severidad alta, en el producto Cloud Pak System de IBM. Solución:  Actualizar Cloud Pak System a la versión 2.3.0.1. https://www.incibe-cert.es/alerta-temprana/avisos-seguridad/multiples-vulnerabilidades-cloud-pak-system-ibm

Linux #Webmin Servers Being Attacked by New P2P Roboto Botnet Linux servers running unpatched Webmin installations are under attack and slowly getting added to a new peer-to-peer (P2P) botnet dubbed Roboto by security researchers at 360 Netlab who tracked it for roughly three months.  https://www.bleepingcomputer.com/news/security/linux-webmin-servers-being-attacked-by-new-p2p-roboto-botnet/

Vulnerabilidad en Security Identy Manager de IBM Fecha de publicación: 20/11/2019 Importancia: 4 - Alta Recursos afectados:  ISIM (SS) versión 6.0.0 Descripción:  Se ha publicado una vulnerabilidad en Security Identy Manager de IBM. Solución:  Actualizar a la versión 6.0.0.22-ISS-SIM-IF0001 https://www.incibe-cert.es/alerta-temprana/avisos-seguridad/vulnerabilidad-security-identy-manager-ibm

Google Releases Security Updates for #Chrome Google has released Chrome 78.0.3904.108 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the Chrome Release and apply the necessary updates. https://www.us-cert.gov/ncas/current-activity/2019/11/19/google-releases-security-updates-chrome

NSA Releases Cyber Advisory: Managing Risk from Transport Layer Security Inspection The National Security Agency (NSA) has released a Cyber Advisory that addresses managing risk from Transport Layer Security Inspection (TLSI). This short, informative document defines TLSI (a security process that allows incoming traffic to be decrypted, inspected, and re-encrypted), explains some risks and associated challenges, and discusses mitigations. The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the NSA Cyber Advisory and apply the information, as appropriate. See CISA’s Alert on risks associated with HTTPS inspection. https://www.us-cert.gov/ncas/current-activity/2019/11/19/nsa-releases-cyber-advisory-managing-risk-transport-layer-security

Múltiples vulnerabilidades en Moodle Fecha de publicación: 18/11/2019 Importancia: 4 - Alta Recursos afectados:  Las vulnerabilidades afectan a las siguientes versiones: desde la 3.7 a la 3.7.2, desde la 3.6 a la 3.6.6, desde la 3.5 a la 3.5.8, versiones anteriores sin soporte. Descripción:  Se han publicado seis vulnerabilidades que afectan a la plataforma Moodle. Las dos de severidad más alta, podrían permitir llevar a cabo ataques de Cross Site Scripting (XSS) o comprometer la cuenta. https://www.incibe-cert.es/alerta-temprana/avisos-seguridad/multiples-vulnerabilidades-moodle-7

Taller para escalar privilegios en Windows/Linux https://www.hackplayers.com/2019/11/taller-para-escalar-privilegios-en-windows-linux.html

#Microsoft Is Adding DNS-Over-HTTPS (#DoH ) to #Windows10 Microsoft announced that it's working on adding support for the privacy-focused DNS over HTTPS (DoH) protocol in a future Windows 10 release, while also keeping the addition of DNS over TLS (DoT) on the table. https://www.bleepingcomputer.com/news/microsoft/microsoft-is-adding-dns-over-https-doh-to-windows-10/

Android Camera App Bug Lets Apps Record Video Without Permission A new vulnerability has been found in the Camera apps for millions, if not hundreds of millions, of Android devices that could allow other apps to record video, take pictures, and extract GPS data from media without having the required permissions. https://www.bleepingcomputer.com/news/security/android-camera-app-bug-lets-apps-record-video-without-permission/

Actualiza a la última versión de #WhatsApp Se ha hecho pública una vulnerabilidad en la aplicación de mensajería instantánea, WhatsApp. Esta vulnerabilidad podría explotarse mediante un vídeo, en formato MP4, manipulado de forma maliciosa. Después de enviar dicho vídeo a la víctima en cuestión, el ciberdelincuente podría ejecutar código malicioso en el dispositivo de manera remota. Recursos afectados: La vulnerabilidad afecta a dispositivos: Android con versión anterior a 2.19.274; iOS con versión anterior a 2.19.100; Enterprise Client, versión anterior a 2.25.3; Windows Phone, versión 2.18.368 y anteriores; WhastApp Business para Android, versión anterior a 2.19.104; WhatsApp Business para iOS, versión anterior a 2.19.100. Detalles El fallo de seguridad, que ha sido confirmado por Facebook a través de un comunicado publicado en su web, podría permitir a un ciberdelincuente lanzar ataques #DoS (denegación del servicio) o #RCE (ejecución de código de manera remota). https://www.osi.es/es/actualidad/avisos/2019/11/actualiza-la-ultima-version-de-whatsapp

[SECURITY] [DSA 4571-1] thunderbird security update Package : thunderbird CVE ID : CVE-2019-15903 CVE-2019-11764 CVE-2019-11763 CVE-2019-11762 CVE-2019-11761 CVE-2019-11760 CVE-2019-11759 CVE-2019-11757 CVE-2019-11755 Multiple security issues have been found in Thunderbird which could potentially result in the execution of arbitrary code or denial of service. https://lists.debian.org/debian-security-announce/2019/msg00223.html

Critical Vulnerability in Android Phone Let Hackers Execute an Arbitrary Code Remotely Researchers discovered a new Critical Android vulnerability that may allow attackers to perform remote code execution on a vulnerable Android device and to take control of it. https://gbhackers.com/android-vulnerability/

Experts found undocumented access feature in Siemens SIMATIC PLCs Researchers discovered a vulnerability in Siemens SIMATIC S7-1200 programmable logic controller (PLC) that could allow attackers to execute arbitrary code on vulnerable devices. https://securityaffairs.co/wordpress/93939/ics-scada/siemens-simatic-flaw.html

#Microsoft Removes #Windows10 1909 Realtek Driver Update Block Microsoft removed a compatibility hold caused by outdated Realtek Bluetooth drivers and published a support document describing a workaround designed to help Windows 10 users still affected by the safeguard hold. https://www.bleepingcomputer.com/news/microsoft/microsoft-removes-windows-10-1909-realtek-driver-update-block/

#Microsoft issues patch for Internet Explorer zero‑day The critical vulnerability could also be exploited via a malicious Microsoft Office document Microsoft has shipped out a fix for a critical flaw in Internet Explorer (IE) that is being exploited in the wild. Tracked as CVE-2019-1429, the vulnerability is part of this month’s batch of regular security updates known as Patch Tuesday. https://www.welivesecurity.com/2019/11/14/microsoft-patch-internet-explorer-zero-day/

Changing security incident response by utilizing the power of the cloud— #DART tools, techniques, and procedures: part 1 This is the first in a blog series discussing the tools, techniques, and procedures that the #Microsoft Detection and Response Team (DART) use to investigate cybersecurity incidents at our customer organizations. https://www.microsoft.com/security/blog/2019/11/14/security-incident-response-utilizing-cloud-dart-tools-techniques-procedures-part-1/

Attention is All They Need: Combatting Social Media Information Operations With Neural Language Models https://www.fireeye.com/blog/threat-research/2019/11/combatting-social-media-information-operations-neural-language-models.html

Vulnerabilidad de denegación de servicio en BIG-IP de F5 Fecha de publicación: 15/11/2019 Importancia: 4 - Alta Recursos afectados:  BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator), versiones desde 14.0.0, hasta 14.1.0.1. Descripción:  Los servidores virtuales BIG-IP, con TLS 1.3, activado podrían experimentar una denegación de servicio (DoS) debido a mensajes entrantes no revelados. https://www.incibe-cert.es/alerta-temprana/avisos-seguridad/vulnerabilidad-denegacion-servicio-big-ip-f5

Vulnerabilidad de inyección CSV en UCD de IBM Fecha de publicación: 15/11/2019 Importancia: 4 - Alta Recursos afectados:  UCD - IBM UrbanCode Deploy. Descripción:  Se ha publicado una vulnerabilidad de inyección CSV que podría permitir la generación de un archivo de descarga CSV malicioso. Solución:  Actualizar a la versión 7.0.4.0 o posterior. https://www.incibe-cert.es/alerta-temprana/avisos-seguridad/vulnerabilidad-inyeccion-csv-ucd-ibm

#Google Fixes White Screen Problem in #Chrome, Admins Furious Google has rolled back an experimental WebContent Occlusion feature that caused major disruption for enterprise users using Chrome in a multi-user terminal server environment. While the issue is now fixed, enterprise admins are furious that this feature was enabled in the first place without their knowledge or permission. https://www.bleepingcomputer.com/news/software/google-fixes-white-screen-problem-in-chrome-admins-furious/