Threat actorcritical
State-sponsored APTs are leveraging WinRAR bug
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2023-38831 | Code Execution in RARLAB WinRAR via Crafted ZIP File/Folder Name Confusion | 7.8 | 100% | KEVRansomwarePoC ×4 | KEV |
| CVE-2023-40477 | RARLAB WinRAR Recovery Volume Improper Validation of Array Index Remote Code Execution Vulnerability | 7.8 | 11% |
From the original article
2 min read at helpnetsecurity.com
A number of government-backed APTs are exploiting CVE-2023-38831, a file extension spoofing vulnerability in WinRAR, a widely used file archiver utility for Windows. CVE-2023-38831 has been patched in August 2023, along with another high-severity RCE vulnerability (CVE-2023-40477). Exploited as a zero-day by cybercriminals since April 2023, the vulnerability is now also being used by state-sponsored hacking groups.
By @zeljkazorz · helpnetsecurity.com
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