Vulnerabilityhigh
Russian APTs Still Exploiting Patched WinRAR Flaw CVE-2025
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2018-20250 | Absolute Path Traversal in RARLAB WinRAR ACE Extraction (UNACEV2.dll) | 7.8 | 96% | KEVRansomwarePoC ×5 | KEV |
| CVE-2025-8088 | WinRAR Path Traversal (CVE-2025-8088) Enables Arbitrary Code Execution | 8.4 | 94% | KEVRansomware | KEV |
Indicators of compromise
auto-extracted · verify before use · export allAll| Type | Indicator | Context |
|---|---|---|
| domain | malicious.workers.dev | itimate domains: a URL structured as hxxps://ssu[.]gov[.]ua@malicious[.]workers[.]dev displays the Security Service of Ukraine’s domain to th |
| domain | ssu.gov.ua | on to spoof legitimate domains: a URL structured as hxxps://ssu[.]gov[.]ua@malicious[.]workers[.]dev displays the Security Service |
| url | https://ssu.gov.ua@malicious.workers.dev | @-notation to spoof legitimate domains: a URL structured as hxxps://ssu[.]gov[.]ua@malicious[.]workers[.]dev displays the Security Service of Ukraine’s domain t |
From the original article
4 min read at securityaffairs.com
Despite a 2025 patch, Russian-linked groups still exploit a WinRAR flaw (CVE-2025-8088) to deploy malware via phishing archives. CVE-2025-8088 is a path traversal flaw in WinRAR that lets an attacker write files outside the extraction directory using NTFS Alternate Data Streams. WinRAR fixed it in version 7.
By @securityaffairs · securityaffairs.com
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