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CVE-2023-38831: RARLAB WinRAR Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2023-38831
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: RARLABproduct: WinRARRemote code execution
What
An unspecified vulnerability allows code execution when viewing a benign file in a ZIP archive.
Who is affected
Users of RARLAB WinRAR.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update to the latest version of WinRAR.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2023-08-24
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-38831

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2023-38831coverage & exploitation statusNVD · CVE.org

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