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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Apport vulnerabilities (USN-4449-1)

high Nessus Plugin ID 139369

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Synopsis

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

Description

Ryota Shiga discovered that Apport incorrectly dropped privileges when making certain D-Bus calls. A local attacker could use this issue to read arbitrary files. (CVE-2020-11936) Seong-Joong Kim discovered that Apport incorrectly parsed configuration files. A local attacker could use this issue to cause Apport to crash, resulting in a denial of service. (CVE-2020-15701) Ryota Shiga discovered that Apport incorrectly implemented certain checks. A local attacker could use this issue to escalate privileges and run arbitrary code.
(CVE-2020-15702).

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 packages.

See Also

https://ubuntu.com/security/notices/USN-4449-1

Plugin Details

Severity: High

ID: 139369

File Name: ubuntu_USN-4449-1.nasl

Version: 1.10

Type: local

Agent: unix

Published: 8/6/2020

Updated: 2/26/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-15702

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.3

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:apport, p-cpe:/a:canonical:ubuntu_linux:apport-gtk, p-cpe:/a:canonical:ubuntu_linux:apport-kde, p-cpe:/a:canonical:ubuntu_linux:apport-noui, p-cpe:/a:canonical:ubuntu_linux:apport-retrace, p-cpe:/a:canonical:ubuntu_linux:apport-valgrind, p-cpe:/a:canonical:ubuntu_linux:dh-apport, p-cpe:/a:canonical:ubuntu_linux:python-apport, p-cpe:/a:canonical:ubuntu_linux:python-problem-report, p-cpe:/a:canonical:ubuntu_linux:python3-apport, p-cpe:/a:canonical:ubuntu_linux:python3-problem-report, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/4/2020

Vulnerability Publication Date: 8/6/2020

Reference Information

CVE: CVE-2020-11936, CVE-2020-15701, CVE-2020-15702

USN: 4449-1