CVE-2021-4198

messaging_ipc.dll NULL Pointer Dereference in multiple Bitdefender products (VA-10016)

Description

A NULL Pointer Dereference vulnerability in the messaging_ipc.dll component as used in Bitdefender Total Security, Internet Security, Antivirus Plus, Endpoint Security Tools, VPN Standalone allows an attacker to arbitrarily crash product processes and generate crashdump files. This issue affects: Bitdefender Total Security versions prior to 26.0.3.29. Bitdefender Internet Security versions prior to 26.0.3.29. Bitdefender Antivirus Plus versions prior to 26.0.3.29. Bitdefender Endpoint Security Tools versions prior to 7.2.2.92. Bitdefender VPN Standalone versions prior to 25.5.0.48.

Remediation

Solution:

  • An automatic update to these new product versions fixes the issue: - Bitdefender Total Security version 26.0.3.29 - Bitdefender Internet Security version 26.0.3.29 - Bitdefender Antivirus Plus version 26.0.3.29 - Bitdefender VPN Standalone version 25.5.0.48 - Bitdefender Endpoint Security Tools version 7.2.2.92

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory bitdefender.com
Affected: Bitdefender Total Security
Affected: Bitdefender Internet Security
Affected: Bitdefender Antivirus Plus
Affected: Bitdefender Endpoint Security Tools
Affected: Bitdefender VPN Standalone
Published at:
Updated at:

References

Link Tags
https://www.bitdefender.com/support/security-advisories/messaging_ipc-dll-null-pointer-dereference-in-multiple-bitdefender-products-va-10016/ vendor advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-483/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-4198?
CVE-2021-4198 has been scored as a medium severity vulnerability.
How to fix CVE-2021-4198?
To fix CVE-2021-4198: An automatic update to these new product versions fixes the issue: - Bitdefender Total Security version 26.0.3.29 - Bitdefender Internet Security version 26.0.3.29 - Bitdefender Antivirus Plus version 26.0.3.29 - Bitdefender VPN Standalone version 25.5.0.48 - Bitdefender Endpoint Security Tools version 7.2.2.92
Is CVE-2021-4198 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-4198 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4198?
CVE-2021-4198 affects Bitdefender Total Security, Bitdefender Internet Security, Bitdefender Antivirus Plus, Bitdefender Endpoint Security Tools, Bitdefender VPN Standalone.
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