ClamAV ARJ Archive Parsing Denial of Service Vulnerability
CVE-2020-3327

7.5HIGH

Key Information:

Vendor

Cisco
Status
Clamav
Vendor
CVE Published:
13 May 2020

What is CVE-2020-3327?

A vulnerability in the ARJ archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a heap buffer overflow read. An attacker could exploit this vulnerability by sending a crafted ARJ file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.

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Affected Version(s)

ClamAV < 0.102.3

References

https://blog.clamav.net/2020/05/clamav-01023-security-pat...
vendor-advisoryx_refsource_CISCO
https://lists.debian.org/debian-lts-announce/2020/05/msg0...
mailing-listx_refsource_MLIST
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

EPSS Score

8% chance of being exploited in the next 30 days.

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

Credit

Special thanks to Daehui Chang and Fady Othman for helping identify the ARJ parsing vulnerability.
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