CISA: Chinese Hackers Exploiting Unpatched Devices to Target U.S. Agencies

The US Cybersecurity and Infrastructure Security Agency CISA issued a new advisory on Monday about a wave of cyberattacks carried by Chinese nation-state actors targeting US government agencies and private entities. "CISA has observed Chinese Ministry of State Security-affiliated cyber threat...

Defending Exchange servers under attack

Securing Exchange servers is one of the most important things defenders can do to limit organizational exposure to attacks. Any threat or vulnerability impacting Exchange servers should be treated with the highest priority because these servers contain critical business data, as well as highly...

Unpatched Microsoft Exchange Servers Vulnerable to CVE-2020-0688

Microsoft Exchange Servers affected by a remote code execution vulnerability, known as CVE-2020-0688, continue to be an attractive target for malicious cyber actors. A remote attacker can exploit this vulnerability to take control of an affected system that is unpatched. Although Microsoft...

CVE-2017-8538

The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016, Microsoft...

Microsoft Exchange Service Abuse: Ruler

Microsoft Exchange Service Abuse Ruler is a tool that allows you to interact with Exchange servers through the MAPI/HTTP protocol. The main aim is abuse the client-side Outlook mail rules. “ Silentbreak did a great job with this attack and it has served us well. The only downside has been that it...

August 2013 Microsoft Patch Tuesday Security Updates

Microsoft took less than a month to incorporate an Oracle Outside In patch and fix a critically rated remote code execution bug in Exchange Servers. The Microsoft patch is among three critical bulletins—eight overall—released today as part of its August 2013 Patch Tuesday security updates. Oracle...

Fedora Update for openchange FEDORA-2012-7317

Check for the Version of openchange OpenVAS Vulnerability Test Fedora Update for openchange FEDORA-2012-7317 Authors: System Generated Check Copyright: Copyright c 2012 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under...

Microsoft Collaboration Data Objects Buffer Overflow (MS05-048; CVE-2005-1987)

Microsoft Collaboration Data Objects CDO are a set of COM objects made for the IIS SMTP service and Exchange servers that provide the ability to build messaging and collaboration applications. A buffer overflow vulnerability exists in Microsoft Collaboration Data Objects. The vulnerability is...

CVE-2008-6797

The server in Mitel NuPoint Messenger R11 and R3 sends usernames and passwords in cleartext to Exchange servers, which allows remote attackers to obtain sensitive information by sniffing the network...

Security Update for Exchange Server 2003 Service Pack 2 (KB976702) - Cluster

This update is for any clustered Exchange servers. A security issue has been identified that could allow a Denial of Service Attack against your Microsoft Exchange Server 2003 Service Pack 2 systems. You can help protect your computer by installing this update from Microsoft. After you install th...