CVE-2021-1404

Clam AntiVirus (ClamAV) Email Parser Denial of Service Vulnerability

State
Published
Severity
7.5 High
Published
Apr 8, 2021
Updated
Nov 8, 2024
Reserved
Nov 13, 2020

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hcisco

Weaknesses

  • CWE-20 Improper Input Validation

Affected Products

ProductVersions
ClamAVCisco
  • 0.103.0Affected
  • 0.103.1Affected

References

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