Rarlab WinRar up to 6.11.0.0 Recovery Volume array index

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Rarlab WinRar. Affected by this vulnerability is an unknown functionality of the component Recovery Volume Handler. The manipulation leads to array index. This vulnerability is traded as CVE-2023-40477. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Rarlab WinRar (File Compression Software) and classified as critical. This issue affects an unknown code of the component Recovery Volume Handler. The manipulation with an unknown input leads to a array index vulnerability. Using CWE to declare the problem leads to CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. Impacted is confidentiality, integrity, and availability.

The weakness was shared 08/18/2023 as ZDI-23-1152. It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2023-40477 since 08/14/2023. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 232667 (Ubuntu 20.04 LTS / 22.04 LTS : RAR vulnerabilities (USN-7349-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.23 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (232667). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Array index
CWE: CWE-129 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 232667
Nessus Name: Ubuntu 20.04 LTS / 22.04 LTS : RAR vulnerabilities (USN-7349-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WinRar 6.23

Timelineinfo

08/14/2023 🔍
08/18/2023 +4 days 🔍
08/18/2023 +0 days 🔍
03/13/2025 +573 days 🔍

Sourcesinfo

Advisory: ZDI-23-1152
Status: Confirmed

CVE: CVE-2023-40477 (🔍)
GCVE (CVE): GCVE-0-2023-40477
GCVE (VulDB): GCVE-100-237479

Entryinfo

Created: 08/18/2023 08:45
Updated: 03/13/2025 11:32
Changes: 08/18/2023 08:45 (37), 02/28/2025 13:08 (2), 02/28/2025 13:11 (22), 03/13/2025 11:32 (3)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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