RHEL 7 : cups (RHSA-2020:1050)

Medium Nessus Plugin ID 135077

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1050 advisory.

 - cups: Local privilege escalation to root due to insecure environment variable handling (CVE-2018-4180)

 - cups: Manipulation of cupsd.conf by a local attacker resulting in limited reads of arbitrary files as root (CVE-2018-4181)

 - cups: Predictable session cookie breaks CSRF protection (CVE-2018-4700)

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

Solution

Update the affected packages.

See Also

https://cwe.mitre.org/data/definitions/642.html

https://cwe.mitre.org/data/definitions/266.html

https://cwe.mitre.org/data/definitions/384.html

https://access.redhat.com/errata/RHSA-2020:1050

https://access.redhat.com/security/cve/CVE-2018-4180

https://access.redhat.com/security/cve/CVE-2018-4181

https://access.redhat.com/security/cve/CVE-2018-4700

Plugin Details

Severity: Medium

ID: 135077

File Name: redhat-RHSA-2020-1050.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2020/04/01

Updated: 2020/04/21

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2018-4181

CVSS v2.0

Base Score: 4.9

Temporal Score: 3.6

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

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

CVSS v3.0

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7::client, cpe:/o:redhat:enterprise_linux:7::computenode, cpe:/o:redhat:enterprise_linux:7::server, cpe:/o:redhat:enterprise_linux:7::workstation, p-cpe:/a:redhat:enterprise_linux:cups, p-cpe:/a:redhat:enterprise_linux:cups-client, p-cpe:/a:redhat:enterprise_linux:cups-devel, p-cpe:/a:redhat:enterprise_linux:cups-filesystem, p-cpe:/a:redhat:enterprise_linux:cups-ipptool, p-cpe:/a:redhat:enterprise_linux:cups-libs, p-cpe:/a:redhat:enterprise_linux:cups-lpd

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/03/31

Vulnerability Publication Date: 2019/01/11

Reference Information

CVE: CVE-2018-4180, CVE-2018-4181, CVE-2018-4700

BID: 106241

RHSA: 2020:1050

CWE: 266, 384, 642