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Ubuntu 14.04 LTS / 16.04 LTS : ClamAV vulnerabilities (USN-3393-1)

high Nessus Plugin ID 102581

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3393-1 advisory.

 It was discovered that ClamAV incorrectly handled parsing certain e-mail messages. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2017-6418)

 It was discovered that ClamAV incorrectly handled certain malformed CHM files. A remote attacker could use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code.
 This issue only affected Ubuntu 14.04 LTS. In the default installation, attackers would be isolated by the ClamAV AppArmor profile. (CVE-2017-6419)

 It was discovered that ClamAV incorrectly handled parsing certain PE files with WWPack compression. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service.
 (CVE-2017-6420)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-3393-1

Plugin Details

Severity: High

ID: 102581

File Name: ubuntu_USN-3393-1.nasl

Version: 3.11

Type: local

Agent: unix

Published: 8/18/2017

Updated: 8/27/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2017-6419

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:clamdscan, p-cpe:/a:canonical:ubuntu_linux:libclamav-dev, p-cpe:/a:canonical:ubuntu_linux:libclamav7, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:clamav-freshclam, p-cpe:/a:canonical:ubuntu_linux:clamav-testfiles, p-cpe:/a:canonical:ubuntu_linux:clamav, p-cpe:/a:canonical:ubuntu_linux:clamav-milter, p-cpe:/a:canonical:ubuntu_linux:clamav-daemon, p-cpe:/a:canonical:ubuntu_linux:clamav-base

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 8/17/2017

Vulnerability Publication Date: 8/7/2017

Reference Information

CVE: CVE-2017-6418, CVE-2017-6419, CVE-2017-6420

USN: 3393-1