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Vulnerability · NVD

CVE-2023-40477

HIGH 7.8

RARLAB WinRAR Recovery Volume Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of RARLAB WinRAR. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the processing of recovery volumes. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21233.

Attack vector : Local No privileges required
Show raw CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS 12.28% moderate exploit risk percentile 95.8%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

  • WinRAR Windows winget:RARLab.WinRAR
    Affected <6.23 Fixed in 6.23 Latest tracked 7.23.0 patched
Vulnerable CPE configurations (1)
Vendor Product Versions
rarlab winrar
All platforms (wildcard)
 <6.23
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