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CVE-2021-1404

Publication date 8 April 2021

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
clamav 21.04 hirsute
Not affected
20.10 groovy
Fixed 0.103.2+dfsg-0ubuntu0.20.10.1
20.04 LTS focal
Fixed 0.103.2+dfsg-0ubuntu0.20.04.1
18.04 LTS bionic
Fixed 0.103.2+dfsg-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 0.103.2+dfsg-0ubuntu0.16.04.1
14.04 LTS trusty

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Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references