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Black Kingdom ransomware appeared on the scene back in 2019, but we observed some activity again in 2021. The ransomware was used by an unknown adversary for exploiting a Microsoft Exchange vulnerability (CVE-2021-27065). The complexity and sophistication of the Black Read More …
Last year, we received a submission of a remote code execution vulnerability in the ISC BIND server. Later, that same anonymous researcher submitted a second bug in this popular DNS server. Similar to the first bug, it exists within the Read More …
Apple issued two out-of-band security fixes for its Safari web browser, fixing zero-day vulnerabilities that “may have been actively exploited,” according to a Monday security bulletin by the company. The bugs affect sixth-generation Apple iPhones, iPads and iPod touch model Read More …
Researchers have warned that thousands of internet-facing VMWare vCenter servers still harbor critical vulnerabilities weeks after patches were released. The vulnerabilities impact VMWare vCenter Server, a centralized management utility. VMWare issued patches for two critical bugs, CVE-2021-21985 and CVE-2021-21986, on Read More …
Samsung is working on patching multiple vulnerabilities affecting its mobile devices that could be used for spying or to take full control of the system. The bugs are part of a larger set discovered and reported responsibly by one security Read More …
Google is warning that a bug in its Chrome web browser is actively under attack, and it is urging users to upgrade to the latest 91.0.4472.101 version to mitigate the issue. In all, Google rolled out fixes for 14 bugs Read More …
On April 14-15, 2021, Kaspersky technologies detected a wave of highly targeted attacks against multiple companies. Closer analysis revealed that all these attacks exploited a chain of Google Chrome and Microsoft Windows zero-day exploits. While we were not able to Read More …
Chinese-backed threat actors breached New York City’s Metropolitan Transportation Authority (MTA) network in April using a Pulse Secure zero-day. Still, they failed to cause any data loss or gain access to systems controlling the transportation fleet. MTA mitigated the vulnerability Read More …
We discovered a vulnerability in macOS rooted in the Core Virtual Machine Server (CVMServer). The vulnerability, labeled CVE-2021-30724, is triggered by an integer overflow leading to an out-of-bounds memory access, from which point privilege escalation can be attained. It affects Read More …
In May of 2021, Microsoft released a patch to correct CVE-2021-31181 – a remote code execution bug in the supported versions of Microsoft SharePoint Server. This bug was reported to the ZDI program by an anonymous researcher and is also Read More …
