Out-of-bounds Read in Anti-virus Vba32
CVE-2024-23440
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.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (11.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Anti-virus Vba32 — versions 3.36.0
- Virusblokada Vba32 Antivirus — versions 3.36.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- help@fluidattacks.com (Third Party Advisory, third-party-advisory)
- help@fluidattacks.com (Product, product)
Frequently asked questions
- What is CVE-2024-23440?
- CVE-2024-23440 is a high-severity vulnerability in Anti-virus Vba32, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2024-02-13.
- How severe is CVE-2024-23440?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2024-23440 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.