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CVE-2023-40477

Published: May 3, 2024Updated: Nov 4, 2025 Sources: CVE List NVD BDUCWE-129
NVD MITRE
7.8CVSSHIGH
EPSS Score
13.1%
Top 4.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-129

Affected Products

Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
WinRARWinRAR GmbH
Mixed
Consumer Software / file-utility
ОСОН ОСнова ОnyxАО «НППКТ»
On-premOS
Operating Systems / linux-distro
winrarrarlab
On-prem
Consumer Software / file-utility
WinRARRARLAB
On-prem
Consumer Software / file-utility
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
winrar gmbhcommercialNLConsumer Softwareaka winrar gmbh
ао «нппкт»commercialRUOperating Systems
rarlabcommercialConsumer Softwareaka winrar, rar, unrar

Exploitability

Official Patch Available

References

https://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=232&cHash=c5bf79590657e32554c6683296a8e8aa
win-rar.com
https://vuldb.com/?id.237479
vuldb.com
https://поддержка.нппкт.рф/bin/view/ОСнова/Обновления/2.9/
xn--80ahaefyxhn.xn--j1afgaq.xn--p1ai
and 4 more references View all →

Timeline

Published
May 3, 2024
Last Updated
Nov 4, 2025

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