Ubuntu update for ClamAV

Published: 2020-02-18

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2020-3123
CWE-ID	CWE-125
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	clamav (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU25015

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3123

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in the Data-Loss-Prevention (DLP) module in Clam AntiVirus (ClamAV) with enabled optional DLP feature. A remote attacker can send a specially crafted email to the affected system, trigger an out-of-bounds read error and crash the ClamAV process.

Mitigation

Update the affected packages.

Ubuntu 19.10: clamav - 0.102.2+dfsg-0ubuntu0.19.10.1
Ubuntu 18.04 LTS: clamav - 0.102.2+dfsg-0ubuntu0.18.04.1
Ubuntu 16.04 LTS: clamav - 0.102.2+dfsg-0ubuntu0.16.04.1

Vulnerable software versions

clamav (Ubuntu package): 0.102.1+dfsg-0ubuntu0.16.04.2 - 0.102.1+dfsg-3

External links

http://usn.ubuntu.com/4280-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.