Published: 2020-12-08MITRE CVE-2020-17095 “A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. To exploit this vulnerability, an attacker could run a specially crafted application on a Hyper-V guest that could cause the Hyper-V host operating system to […]
The National security Agency in the United States recently released an advisory warning of the threat of Chinese state sponsored attacks and detailed 25 vulnerabilities used. The advisory gives detailed information about the vulnerabilities, what it affects and how to remediate them. Most of them are remotely exploited and can be used to gain initial […]
Published: 2020-10-13MITRE CVE-2020-16891 “A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system.” This is especially bad for “hotel” environment with multiple different tenants that should not be able to influence each other, but it is also bad […]
Published: 2020-10-13MITRE CVE-2020-16898 “A remote code execution vulnerability exists when the Windows TCP/IP stack improperly handles ICMPv6 Router Advertisement packets.” This vulnerability affects Windows 10, Server 2019 and Server Core versions (see full Security Advisory for proper details). It can be mitigated by disabling a network feature or blocking ICMPv6 Router Advertisement packets. Basefarm and […]
Published: 2020-10-20MITRE CVE-2020-3992 “A malicious actor residing in the management network who has access to port 427 on an ESXi machine may be able to trigger a use-after-free in the OpenSLP service resulting in remote code execution.” The workaround is to stop and disable the SLP service. CVSS Base Score is 9.8 Basefarm and VMware […]
In this post there is specific focus on an infamous threat that resurfaced during the summer. Following several news articles in Nordic media of phishing attacks towards public services in late august and, in addition, sources that indicate that the Emotet trojan resurfaced in mid-july, several sources online are now indicating a massive campaigning not […]
This blog post is a summary of this week’s Information Security News put together by our Security Incident Response Team (SIRT) Currently the biggest exposure to threats in the cyber domain is presented via mail. Phishing attacks tricks out the credentials for legitimate users and then gain access to the mail account, and some actors […]
This blog post is a summary of this week’s Information Security News put together by our Security Incident Response Team (SIRT) A new CyberCrime group nicknamed RedCurl has been discovered after over two years of operation, attacking at least 14 organizations in over 26 attacks. They are known to attack companies in at least six […]
Published: 2020-07-29MITRE CVE-2020-10713 GRUB 2 is a “boot loader”, it precedes the actual operating system and allows for multiple options in what operating system to load and with what parameters given. An attacker with administrative privileges on a system, or physical access, can use this vulnerability to bypass the check of cryptographic signatures and run […]
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