CVE Watch5 de ago. de 2026

CVE-2023-38831

RARLAB WinRAR Code Execution Vulnerability

CVSS

7.8

Alta

EPSS

99.8%

p100

KEV

SIM

24 de ago. de 2023

Exploit Today

0-100

Publicado: 23 de ago. de 2023 · Última mod.: 5 de ago. de 2026 · CWE-345 · CWE-351

EPSS · 30d

99.8%EPSS · 30 dias99.8%

2026-10-082026-11-05

Ficha do catálogo KEV

Produto

RARLAB / WinRAR

Vulnerabilidade

RARLAB WinRAR Code Execution Vulnerability

Adicionado ao KEV

24 de ago. de 2023

Corrigir até

14 de set. de 2023

Uso conhecido em ransomware

Sim

Descrição resumida

RARLAB WinRAR contains an unspecified vulnerability that allows an attacker to execute code when a user attempts to view a benign file within a ZIP archive.

Ação necessária

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notas

http://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=232&cHash=c5bf79590657e32554c6683296a8e8aa; https://nvd.nist.gov/vuln/detail/CVE-2023-38831

Descrição técnica

RARLAB WinRAR before 6.23 allows attackers to execute arbitrary code when a user attempts to view a benign file within a ZIP archive. The issue occurs because a ZIP archive may include a benign file (such as an ordinary .JPG file) and also a folder that has the same name as the benign file, and the contents of the folder (which may include executable content) are processed during an attempt to access only the benign file. This was exploited in the wild in April through October 2023.

Referências oficiais

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