Security Advisories & Alerts

Zeppelin Ransomware

Zeppelin Ransomware

Technical Details Note: this advisory uses the MITRE ATT&CK® for Enterprise framework, version 11. See MITRE ATT&CK for Enterprise for all referenced tactics and techniques. Zeppelin ransomware is a derivative of the Delphi-based Vega malware family and functions as a Ransomware as a Service (RaaS). From 2019 through at least June 2022, actors have used this malware to target a wide range of businesses and critical infrastructure...

Read More


Threat Actors Exploiting CVE-2022-27925 chained with CVE-2022-37042 Against Zimbra Collaboration Suite

Threat Actors Exploiting CVE-2022-27925 chained with CVE-2022-37042 Against Zimbra Collaboration Suite

An authentication bypass Zimbra security vulnerability is actively exploited to compromise Zimbra Collaboration Suite (ZCS) email servers worldwide.According to threat intelligence firm Volexity, attackers have been abusing a ZCS remote code execution flaw tracked as CVE-2022-27925 requiring authentication with the help of an auth bypass bug (tracked as CVE-2022-37042). Description: CVE-2022-27925: Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP...

Read More


Linux Kernel eBPF local privilege escalation (CVE-2022-23222) vulnerability

Description:kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *_OR_NULL pointer types. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. Impact: A local attacker may exploit this issue to gain elevated root privileges on the affected system. Mitigation: Updates...

Read More


Microsoft Releases June 2022 Security Updates

Microsoft has released updates to address multiple vulnerabilities in Microsoft software. An attacker can exploit some of these vulnerabilities to take control of an affected system. CVE-2022-30190, also known as “Follina” — the RCE vulnerability in the Microsoft Windows Support Diagnostic Tool that was disclosed in late May and exploited in the wild — has now received patches for affected Windows systems. While Microsoft had...

Read More


Follina / CVE-2022-30190: New Microsoft Office zero-day

Security researchers have discovered a new Microsoft Office zero-day vulnerability that is being used in attacks to execute maliciously PowerShell commands via Microsoft Diagnostic Tool (MSDT) simply by opening a Word document. Workarounds: In Microsoft Defender’s Attack Surface Reduction (ASR) activating the rule “Block all Office applications from creating child processes” in Block mode will prevent this from being exploited.[https://docs.microsoft.com/en-us/microsoft-365/security/defender-endpoint/attack-surface-reduction-rules-reference?view=o365-worldwide#block-all-office-applications-from-creating-child-processes] Disable the MSDT URL Protocol....

Read More


Page 7 of 130« First...56789...203040...Last »