PT-2024-19868 · Unknown · Vba32M64.Sys+1

Andres Roldan · Published 2024-02-13 · Updated 2024-10-17 · CVE-2024-23439

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Name of the Vulnerable Software and Affected Versions Vba32 Antivirus version 3.36.0

Description The issue is related to an Arbitrary Memory Read vulnerability. It can be triggered by using specific IOCTL codes of the Vba32m64.sys driver, including 0x22201B, 0x22201F, 0x222023, 0x222027, 0x22202B, 0x22202F, 0x22203F, 0x222057, and 0x22205B.

Recommendations For Vba32 Antivirus version 3.36.0, consider disabling the Vba32m64.sys driver as a temporary workaround until a patch is available. Restrict access to the vulnerable driver to minimize the risk of exploitation. Avoid triggering the specified IOCTL codes until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2024-23439

Affected Products

Vba32 Antivirus

Vba32M64.Sys

References · 8

• https://osv.dev/vulnerability/CVE-2024-23439 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-23439 · Security Note
• https://twitter.com/fluidattacks/status/1831715914024157439 · Twitter Post
• https://twitter.com/fluidattacks/status/1833559814103798202 · Twitter Post
• https://twitter.com/CVEnew/status/1757422920752943255 · Twitter Post
• https://fluidattacks.com/advisories/adderley · Note
• https://anti-virus.by/vba32 · Note
• https://t.me/cvenotify/98519 · Telegram Post