Clam AntiVirus (ClamAV) Email Parser Denial of Service Vulnerability
CVE-2021-1404

7.5HIGH

Key Information:

Vendor

Cisco
Status
Clamav
Vendor
CVE Published:
8 April 2021

What is CVE-2021-1404?

A vulnerability in the PDF parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper buffer size tracking that may result in a heap buffer over-read. An attacker could exploit this vulnerability by sending a crafted PDF file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.

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Affected Version(s)

ClamAV 0.103.0

ClamAV 0.103.1

References

https://blog.clamav.net/2021/04/clamav-01032-security-pat...
vendor-advisoryx_refsource_CISCO

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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