VirusBlokAda Vba32 Antivirus 3.36.0 IOCTL Vba32m64.sys out-of-bounds

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in VirusBlokAda Vba32 Antivirus 3.36.0. Impacted is an unknown function in the library Vba32m64.sys of the component IOCTL Handler. The manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2024-23440. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in VirusBlokAda Vba32 Antivirus 3.36.0 (Anti-Malware Software). This issue affects some unknown functionality in the library Vba32m64.sys of the component IOCTL Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. The summary by CVE is:

Vba32 Antivirus v3.36.0 is vulnerable to an Arbitrary Memory Read vulnerability. The 0x22200B IOCTL code of the Vba32m64.sys driver allows to read up to 0x802 of memory from ar arbitrary user-supplied pointer.

The weakness was disclosed 02/13/2024. The advisory is shared at fluidattacks.com. The identification of this vulnerability is CVE-2024-23440 since 01/16/2024. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/20/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 2.5
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CNA Base Score: 7.1
CNA Vector (Fluid Attacks): 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/16/2024 🔍
02/13/2024 +28 days 🔍
02/13/2024 +0 days 🔍
05/20/2025 +462 days 🔍

Sourcesinfo

Advisory: fluidattacks.com
Status: Not defined

CVE: CVE-2024-23440 (🔍)
GCVE (CVE): GCVE-0-2024-23440
GCVE (VulDB): GCVE-100-253577

Entryinfo

Created: 02/13/2024 17:53
Updated: 05/20/2025 03:32
Changes: 02/13/2024 17:53 (50), 10/18/2024 04:21 (27), 05/20/2025 03:32 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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