Ubuntu update for ClamAV

1) Input validation error

EUVDB-ID: #VU23559

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-15961

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input passed via email messages due to overly long parsing of MIME messages. A remote attacker can send a specially crafted email message and perform a denial of service attack.

Mitigation

Update the affected packages.

Ubuntu 19.10

clamav - 0.102.1+dfsg-0ubuntu0.19.10.2

Ubuntu 19.04

clamav - 0.102.1+dfsg-0ubuntu0.19.04.2

Ubuntu 18.04 LTS

clamav - 0.102.1+dfsg-0ubuntu0.18.04.2

Ubuntu 16.04 LTS

clamav - 0.102.1+dfsg-0ubuntu0.16.04.2

Vulnerable software versions

clamav (Ubuntu package): 0.101.0+dfsg-1 - 0.101.4+dfsg-1

CPE2.3

• cpe:2.3:a:canonical:clamav_ubuntu_package:0.101.0 dfsg-1:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:clamav_ubuntu_package:0.101.1 dfsg-1:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:clamav_ubuntu_package:0.101.1 dfsg-2:*:*:*:*:ubuntu:*:*

External links

https://usn.ubuntu.com/4230-1/

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.