Author Archives: CSIRT

Exchange/Outlook Autodiscover Bug Spills $100K+ Email Passwords

By Lisa Vaas Hundreds of thousands of email credentials, many of which double as Active Directory domain credentials, came through to credential-trapping domains in clear text. Guardicore security researcher Amit Serper has discovered a severe design bug in Microsoft Exchange’s autodiscover (https://docs.microsoft.com/en-us/exchange/architecture/client-access/autodiscover?view=exchserver-2019) – a protocol that lets users easily configure applications such as Microsoft Outlook with just […]

Windows MSHTML 0-Day Exploited to Deploy Cobalt Strike Beacon in Targeted Attacks

Microsoft on Wednesday disclosed details of a targeted phishing campaign that leveraged a now-patched zero-day flaw in its MSHTML platform using specially-crafted Office documents to deploy Cobalt Strike Beacon on compromised Windows systems. “These attacks used the vulnerability, tracked as CVE-2021-40444 (https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-40444), as part of an initial access campaign that distributed custom Cobalt Strike Beacon loaders,” […]

Patch Chrome! Update fixes 11 security vulnerabilities

By Charlie Fripp Google’s Chrome is one of the most popular browsers globally, used by billions of people. So, when issues in the code are discovered, Google needs to act quickly. Not only to protect users but also the company’s security reputation. A case in point? Several vulnerabilities have been recorded in the latest version […]

Adobe Snuffs Critical Bugs in Acrobat, Experience Manager

Adobe releases security updates for 59 bugs affecting its core products, including Adobe Acrobat Reader, XMP Toolkit SDK and Photoshop. Adobe is urging its throngs of Acrobat Reader users to update their software to fix critical vulnerabilities that could allow adversaries to execute arbitrary code on unpatched versions. The warnings are part of the firm’s September […]

Azure Zero-Day Flaws Highlight Lurking Supply-Chain Risk

Author: Elizabeth Montalbano Dubbed OMIGOD, a series of vulnerabilities in the Open Management Infrastructure used in Azure on Linux demonstrate hidden security threats, researchers said. Four Microsoft zero-day vulnerabilities in the Azure cloud platform’s Open Management Infrastructure (OMI) — a software that many don’t know is embedded in a host of services — show that […]