Microsoft Exchange server zero-day mitigation can be bypassed

Microsoft has shared mitigations for two new Microsoft Exchange zero-day vulnerabilities tracked as CVE-2022-41040 and CVE-2022-41082, but researchers warn that the mitigation for on-premise servers is far from enough. Threat actors are already chaining both of these zero-day bugs in Read More …

Analyzing attacks using the Exchange vulnerabilities CVE-2022-41040 and CVE-2022-41082

Added information about Exploit:Script/ExchgProxyRequest.A, Microsoft Defender AV’s robust detection for exploit behavior related to this threat. Microsoft also removed a section on MFA as a mitigation, which was included in a prior version of this blog as standard guidance. Microsoft Read More …

Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server

Microsoft is investigating two reported zero-day vulnerabilities affecting Microsoft Exchange Server 2013, Exchange Server 2016, and Exchange Server 2019. The first one, identified as CVE-2022-41040, is a Server-Side Request Forgery (SSRF) vulnerability, and the second one, identified as CVE-2022-41082, allows Read More …

Witchetty: Group Uses Updated Toolset in Attacks on Governments in Middle East

The Witchetty espionage group (aka LookingFrog) has been progressively updating its toolset, using new malware in attacks on targets in the Middle East and Africa. Among the new tools being used by the group is a backdoor Trojan (Backdoor.Stegmap) that Read More …

The secrets of Schneider Electric’s UMAS protocol

UMAS (Unified Messaging Application Services) is a proprietary Schneider Electric (SE) protocol used to configure and monitor Schneider Electric PLCs. Schneider Electric controllers that use UMAS include Modicon M580 CPU (part numbers BMEP* and BMEH*) and Modicon M340 CPU (part Read More …

Sophos fixes critical firewall hole exploited by miscreants

A critical code-injection vulnerability in Sophos Firewall has been fixed — but not before miscreants found and exploited the bug. The flaw, tracked as CVE-2022-3236, exists in the User Portal and Webadmin components of the firewall in versions 19.0 and Read More …

Microsoft Releases Out-of-Band Security Update for Microsoft Endpoint Configuration Manager

Microsoft has released a security update to address a vulnerability in Microsoft Endpoint Configuration Manager, versions 2103-2207. An attacker could exploit this vulnerability to obtain sensitive information. The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review Read More …

Atlassian Confluence Vulnerability CVE-2022-26134 Abused For Cryptocurrency Mining, Other Malware

Trend Micro researchers observed the active exploitation of CVE-2022-26134, an unauthenticated remote code execution (RCE) vulnerability with a critical rating of 9.8 in the collaboration tool Atlassian Confluence. The gap is being abused for malicious cryptocurrency mining. Confluence has already Read More …