Ubuntu 16.04 LTS / 18.04 LTS / 19.10 : qtbase-opensource-src vulnerabilities (USN-4275-1)

Medium Nessus Plugin ID 133647

Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

It was discovered that Qt incorrectly handled certain PPM images. If a user or automated system were tricked into opening a specially crafted PPM file, a remote attacker could cause Qt to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2018-19872)

It was discovered that Qt incorrectly handled certain text files. If a user or automated system were tricked into opening a specially crafted text file, a remote attacker could cause Qt to crash, resulting in a denial of service. This issue only affected Ubuntu 19.10.
(CVE-2019-18281)

It was discovered that Qt incorrectly searched for plugins in the current working directory. An attacker could possibly use this issue to execute arbitrary code. (CVE-2020-0569)

It was discovered that Qt incorrectly searched for libraries relative to the current working directory. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 19.10. (CVE-2020-0570).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected libqt5core5a and / or libqt5gui5 packages.

See Also

https://usn.ubuntu.com/4275-1/

Plugin Details

Severity: Medium

ID: 133647

File Name: ubuntu_USN-4275-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2020/02/12

Updated: 2020/02/14

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2019-18281

CVSS v2.0

Base Score: 4.3

Temporal Score: 3.2

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 4.3

Temporal Score: 3.8

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libqt5core5a, p-cpe:/a:canonical:ubuntu_linux:libqt5gui5, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:19.10

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/02/10

Vulnerability Publication Date: 2019/03/21

Reference Information

CVE: CVE-2018-19872, CVE-2019-18281, CVE-2020-0569, CVE-2020-0570

USN: 4275-1