November Adobe Patches

This month’s Adobe Security Update round is a relatively quiet one, in contrast to the Microsoft patch cycle. There are two bulletins, one affecting Flash Player and one affecting ColdFusion.

After the discovery of a major breach at Adobe recently some would perhaps have expected a bigger number of CVEs to get patched this round. It will be interesting to see how the breach will affect patch cycles in the coming months.

The two CVEs affecting Flash Player and Adobe AIR both involve remote code execution vulnerabilities. Exploits for these vulnerabilities have so far not been observed in the wild. But given the popularity and criticality it’s important to roll out the patches as soon as possible.

The two vulnerabilities affecting ColdFusion have to do with XSS and remote-read vulnerabilities respectively. Just like with the Flash CVEs no exploits for these vulnerabilities have so far been seen in the wild.

For those with an Adobe ID – even if you didn’t receive an email from Adobe saying that your account credentials may have been compromised it’s still paramount that you change your password. It should go without saying that if the same password was used for other services they need to be changed there as well.

November Adobe Patches

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APT trends report Q3 2021

The APT trends reports are based on our threat intelligence research and provide a representative snapshot of what we have discussed in greater detail in our private APT reports. This is our latest installment, focusing on activities that we observed during Q3 2021.

Lyceum group reborn

According to older public researches, Lyceum conducted operations against organizations in the energy and telecommunications sectors across the Middle East. In 2021, we have been able to identify a new cluster of the group’s activity, focused on two entities in Tunisia.

GhostEmperor: From ProxyLogon to kernel mode

While investigating a recent rise of attacks against Exchange servers, we noticed a recurring cluster of activity that appeared in several distinct compromised networks. With a long-standing operation, high profile victims, advanced toolset and no affinity to a known threat actor, we decided to dub the cluster GhostEmperor.

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