CVE-2021-1405
Published: 8 April 2021
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.
Priority
Status
Package | Release | Status |
---|---|---|
clamav
Launchpad, Ubuntu, Debian |
bionic |
Released
(0.103.2+dfsg-0ubuntu0.18.04.1)
|
focal |
Released
(0.103.2+dfsg-0ubuntu0.20.04.1)
|
|
groovy |
Released
(0.103.2+dfsg-0ubuntu0.20.10.1)
|
|
hirsute |
Not vulnerable
(0.103.2+dfsg-1)
|
|
trusty |
Released
(0.103.2+dfsg-0ubuntu0.14.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Needs triage
|
|
xenial |
Released
(0.103.2+dfsg-0ubuntu0.16.04.1)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
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 |