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Exploit / PoCcriticalExploited in the wild

WinRAR 0-day that uses poisoned JPG and TXT files under exploit since April

Ars Technica · Security ()2 min read3
Analyze CVE-2023-38831 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2018-20250
Absolute Path Traversal in RARLAB WinRAR ACE Extraction (UNACEV2.dll)
7.896%KEVRansomwarePoC ×5
KEV
CVE-2023-38831
Code Execution in RARLAB WinRAR via Crafted ZIP File/Folder Name Confusion
7.8100%KEVRansomwarePoC ×4
KEV

Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
domaincatbox.moeother cases, they were distributed on the file storage site catbox[.]moe. Group-IB identified eight popular trading forums used to

From the original article

2 min read at arstechnica.com

A newly discovered zero-day in the widely used WinRAR file-compression program has been exploited for four months by unknown attackers who are using it to install malware when targets open booby-trapped JPGs and other innocuous inside file archives.

Ars Technica · Security

arstechnica.com

Read the full article at Ars Technica · Security

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.