Clam AntiVirus (ClamAV) PDF Parser Denial of Service Vulnerability
CVE-2021-1405

7.5HIGH

Key Information:

Vendor
Cisco
Status
Clamav
Vendor
CVE Published:
8 April 2021

Summary

A vulnerability in the email parsing module in Clam AntiVirus (ClamAV) Software version 0.103.1 and all prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper variable initialization that may result in an NULL pointer read. An attacker could exploit this vulnerability by sending a crafted email to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.

Affected Version(s)

ClamAV <= 0.103.1

References

https://blog.clamav.net/2021/04/clamav-01032-security-pat...
vendor-advisoryx_refsource_CISCO
https://lists.debian.org/debian-lts-announce/2021/04/msg0...
mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/202104-07
vendor-advisoryx_refsource_GENTOO

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

.