Ransomwarecritical
Windows CLFS and five exploits used by ransomware operators
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2022-24521 | Out-of-bounds Write Privilege Escalation in Microsoft Windows CLFS Driver | 7.8 | 7% | KEVRansomware | KEV |
| CVE-2022-37969 | Out-of-bounds write flaw in Microsoft Windows CLFS driver enables privilege escalation | 7.8 | 28% | KEVRansomware | KEV |
| CVE-2023-23376 | Out-of-Bounds Write Privilege Escalation in Microsoft Windows CLFS Driver | 7.8 | 11% | KEVRansomware | KEV |
| CVE-2023-28252 | Heap Overflow in Microsoft Windows CLFS Driver Enables Local Privilege Escalation | 7.8 | 49% | KEVRansomwarePoC | KEV |
From the original article
10 min read at securelist.com
In April 2023, we published a blog post about a zero-day exploit we discovered in ransomware attacks that was patched as CVE-2023-28252 after we promptly reported it to Microsoft. In that blog post, we mentioned that the zero-day exploit we discovered was very similar to other Microsoft Windows elevation-of-privilege (EoP) exploits that we have seen in ransomware attacks throughout the year.
By @Securelist · securelist.com
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