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Another day, another DCE/RPC RCE May 17, 2022

Another day, another DCE/RPC RCE

CVE-2022-26809 was patched in Microsoft’s previous Patch Tuesday (April 12) and it’s a doozy: remote code execution on affected versions of DCE/RPC hosts. The vulnerability attracted a lot of attention in the security community, both because of its severity but also because it appears to be really hard to trigger. That and the current (as of May... Read more »

Additional Posts

Finding CVE-2022-22954 with Zeek

CISA released a warning to federal agencies on May 18 that APT actors are actively exploiting recent vulnerabilities found in VMware, including CVE-2022-22954. Your first thought may have been to want new signatures, indicators, and/or behavioral... Read more »

What makes evidence uniquely valuable?

American novelist F. Scott Fitzgerald famously wrote that “the test of a first-rate intelligence is the ability to hold two opposing ideas in mind at the same time, and still retain the ability to function.” All experienced security practitioners... Read more »

Another day, another DCE/RPC RCE

Another day, another DCE/RPC RCE

CVE-2022-26809 was patched in Microsoft’s previous Patch Tuesday (April 12) and it’s a doozy: remote code execution on affected versions of DCE/RPC hosts. The vulnerability attracted a lot of attention in the security community, both because of its... Read more »

Monitoring AWS networks at scale

Corelight is pleased to announce our integration with AWS’s Traffic Mirroring to Gateway Load Balancer (GWLB) Endpoint as a Target. This integration simplifies the monitoring of network traffic and generating Corelight data in massively scaled-out... Read more »

Spotting Log4j traffic in Kubernetes environments

Editor’s note: This is the latest in a series of posts we have planned over the next several weeks where we explore topics such as network monitoring in Kubernetes, using sidecars to sniff and tunnel traffic, show a real-world example of detecting... Read more »

Network evidence for defensible disclosure

Editor's note: This is the second in a series of Corelight blog posts focusing on evidence-based security strategy. Catch up on the previous post "Don't trust. verify with evidence." Read more »

Detecting Windows NFS Portmap vulnerabilities

This month, Microsoft announced two vulnerabilities in portmap, which is part of ONC RPC, on Windows systems. This blog will discuss Zeek detection packages for CVE-2022-24491 and CVE-2022-24497 developed by Corelight Labs. Read more »

Sidecars for network monitoring

Editor’s note: This is the second in a series of posts we have planned over the next several weeks where we explore topics such as network monitoring in Kubernetes, using sidecars to sniff and tunnel traffic, show a real-world example of detecting... Read more »

Explore Corelight evidence in Humio Community Edition

Now available: A free and easy way to learn about Humio and Corelight. Read more »

Deeper visibility into Kubernetes environments with network monitoring

Editor’s note: This is the first in a series of posts we have planned over the next several weeks. We will explore topics such as network monitoring in Kubernetes, using sidecars to sniff and tunnel traffic, show a real-world example of detecting... Read more »

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