-
Security Focus – CVE-2019-0626 Microsoft Windows DHCP Server Remote Code Execution Vulnerability (12th Feb 2019)
Preface: This vulnerability is included in MS Patch Tue this week. However the vulnerability is more critical than others. Since threat actor can be conduct a remote code execution through social engineering. Technical highlight: The official announcement told that attacker could exploit the vulnerability by sending a DHCP packet that submits malicious input to the…
-
Advantech WebAccess/SCADA Multiple Security Vulnerabilities – Jan 2019
Preface: Advantech is a leading brand in IoT intelligent systems, Industry 4.0, machine automation, embedding computing, embedded systems, transportation, … New vulnerabilities found in WebAccess/SCADA Version 8.3: CVE-2019-6519 – An improper authentication vulnerability exists that could allow a possible authentication bypass allowing an attacker to upload malicious data. CVE-2019-6521 – Specially crafted requests could allow…
-
Docker (runc) – Malicious container escape – CVE-2019-5736 (11th Feb 2019)
Preface: runc is a CLI tool for spawning and running containers according to the OCI specification. Vulnerability: Found vulnerability on runc affecting several open-source container management systems that leverage runc Impact: The vulnerability allows a malicious container to overwrite the host runc binary and thus gain root-level code execution on the host. But exploit this…
-
Cisco finally fixed Elastic Services Controller Service 3.0 Portal Authentication Bypass Vulnerability (CVE-2018-0121) – 8th Feb 2019
Preface: It was because of new version 4.0 introduced on Jan 2018. Cisco urge customers upgrade to 4.0 to do the remediation. The Elastic Services Controller Service Portal Authentication Bypass Vulnerability finally fixed on Feb 2019. Product background: Cisco ESC provides a single point of control to manage all aspects of VNF lifecycle for generic…
-
CVE-2019-6978 – GD Graphics Library gdImage*Ptr() Functions Double Free Vulnerability – Feb 2019
-
Apple Releases Multiple Security Updates – 7th Feb 2019
Preface: Apple found memory vulnerability, since no additional information will be provided by vendor. Does it relate to DUI (Dereference Under the Influence)? What is DUI?Attackers use the DUI vulnerability as a memory access service to mount attacks. Their aim to influence memory operations of isolated components through inputs to their public interface. Apple Releases…
-
The PAN-OS management web interface Vulnerability (CVE-2019-1566) – Jan 2019
Preface: Cross-site scripting (XSS) is a type of computer security vulnerability typically found in web applications. XSS enables attackers to inject client-side scripts into web pages viewed by other users. Background: A WAF is deployed to protect a specific web application or set of web applications. Generally, the common attacks such as cross-site scripting (XSS)…
-
Avahi avahi-daemon vulnerability (CVE-2017-6519) remedy has finally been released!
Preface: Avahi is a free zero-configuration networking (zeroconf) implementation, including a system for multicast DNS/DNS-SD service discovery. Technical background: Multicast DNS (mDNS) is a protocol that uses packets similar to unicast DNS except sent over a multicast link to resolve hostnames. Vulnerability found in Avahi: The vulnerability exists because the affected software misses link-local checks,…
-
The vulnerability of the Internet of Things 4.0 has attracted the interest of the APT Group in the enemy country.
Preface: Maybe this is a trend! If we are going to the next generation world (IoT 4.0). At the same time, the APT Group is also sniffing the cybersecurity loopholes in that place! Technical background: In business world we understand the function of broker. A similar situation in computer world, we so called gateway vs…
-
UTM (all in one) firewall not in good shape! If you are concern cyber security, please forget so called cost effective solution.
Preface: Dynamic memory automatically reclaimed when the garbage collector no longer sees any live reference to it. Description: A vulnerability in the data acquisition (DAQ) component of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured access control policies or cause a denial of service (DoS) condition. Official announcement…