Local Denial of Service Vulnerability in Comodo Antivirus
CVE-2019-3971

5.5MEDIUM

Key Information:

Vendor

Comodo

Status
Comodo Antivirus
Vendor
CVE Published:
17 July 2019

What is CVE-2019-3971?

Comodo Antivirus up to version 12.0.0.6810 is susceptible to a local Denial of Service caused by a vulnerability in the CmdVirth.exe process. Malicious local processes with low privileges can exploit this weakness by connecting to the LPC port 'cmdvrtLPCServerPort' of CmdVirth.exe and sending an LPC_DATAGRAM. This action triggers an Access Violation due to the use of hardcoded NULL values in a memcpy operation, leading to the termination of CmdVirth.exe and its related svchost.exe processes. This vulnerability could disrupt user operations and compromise system reliability.

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Affected Version(s)

Comodo Antivirus Versions 12.0.0.6810 and below

References

https://www.tenable.com/security/research/tra-2019-34
x_refsource_MISC

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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