Several flaws in Microsoft Exchange Server disclosed over the last two years continue to be valuable exploits for attackers as part of ransomware and targeted attacks against organizations that have yet to patch their systems. Patching the flaws outlined below is strongly recommended.
Sandworm, the Russian-backed APT responsible for NotPetya in 2017, has recently attacked an Ukrainian organization using a new wiper, SwiftSlicer.
Oracle addresses 183 CVEs in its first quarterly update of quarterly with 327 patches, including 71 critical updates.
Microsoft addresses 98 CVEs including a zero-day vulnerability that was exploited in the wild.
CVE-2022-47523: ManageEngine Password Manager Pro, PAM360 and Access Manager Plus SQL Injection VulnerabilityJanuary 5, 2023
Zoho patches a newly disclosed high-severity SQL injection flaw in several ManageEngine products; attackers have historically targeted several ManageEngine products over the last three years.
A critical remote code execution vulnerability in the Linux kernel has been publicly disclosed by Trend Micro's Zero Day Initiative in its ZDI-22-1690 advisory. The vulnerability has been given a CVSSv3 of 10.0. There are no reports of active exploitation.
Microsoft recently reclassified a vulnerability in SPNEGO NEGOEX, originally patched in September, after a security researcher discovered that it can lead to remote code execution. Organizations are urged to apply these patches as soon as possible.
Microsoft addresses 48 CVEs including two zero-day vulnerabilities, one that has been exploited in the wild (CVE-2022-44698) and one that was publicly disclosed prior to a patch being available (CVE-2022-44710).
Citrix has patched a critical remote code execution vulnerability in its Gateway and ADC products. This vulnerability has reportedly been exploited as a zero day; organizations should patch urgently.
Fortinet has patched a zero day buffer overflow in FortiOS that could lead to remote code execution. There has been a report of active exploitation and organizations should patch urgently.
Citrix publishes an advisory to address multiple flaws in its ADC and Gateway products, including a critical vulnerability.
Microsoft addresses 62 CVEs including four zero-day vulnerabilities that were exploited in the wild.