CVE-2021-1405
Clam AntiVirus vulnerability analysis and mitigation

Overview

A vulnerability (CVE-2021-1405) was discovered in the email parsing module of Clam AntiVirus (ClamAV) Software version 0.103.1 and all prior versions. The vulnerability is due to improper variable initialization that may result in a NULL pointer read (ClamAV Blog, Debian LTS).

Technical details

The vulnerability stems from improper variable initialization in the email parsing module, which can lead to a NULL pointer read. The issue affects ClamAV version 0.103.1 and all prior versions (Debian Security).

Impact

An exploit could allow an attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition on an affected device (Gentoo Security).

Mitigation and workarounds

The vulnerability has been fixed in ClamAV version 0.103.2. Users are recommended to upgrade their ClamAV installations to this version or later (ClamAV Blog).

Additional resources


SourceThis report was generated using AI

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