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RHEL 8 : glib2 (RHSA-2021:4385)

medium Nessus Plugin ID 155170

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Synopsis

The remote Red Hat host is missing one or more security updates for glib2.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4385 advisory.

 GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures.

 Security Fix(es):

 * glib2: Possible privilege escalation thourgh pkexec and aliases (CVE-2021-3800)

 * glib: g_file_replace() with G_FILE_CREATE_REPLACE_DESTINATION creates empty target for dangling symlink (CVE-2021-28153)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

 Additional Changes:

 For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 RHEL glib2 package based on the guidance in RHSA-2021:4385.

See Also

http://www.nessus.org/u?7240878e

http://www.nessus.org/u?e6df4a80

https://access.redhat.com/security/updates/classification/#moderate

https://access.redhat.com/errata/RHSA-2021:4385

https://bugzilla.redhat.com/show_bug.cgi?id=1938284

https://bugzilla.redhat.com/show_bug.cgi?id=1938291

https://bugzilla.redhat.com/show_bug.cgi?id=1948988

https://bugzilla.redhat.com/show_bug.cgi?id=1971533

Plugin Details

Severity: Medium

ID: 155170

File Name: redhat-RHSA-2021-4385.nasl

Version: 1.11

Type: local

Agent: unix

Published: 11/11/2021

Updated: 11/8/2024

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: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2021-28153

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

CVSS Score Source: CVE-2021-3800

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:glib2, p-cpe:/a:redhat:enterprise_linux:glib2-static, p-cpe:/a:redhat:enterprise_linux:glib2-tests, p-cpe:/a:redhat:enterprise_linux:glib2-devel, p-cpe:/a:redhat:enterprise_linux:glib2-doc, p-cpe:/a:redhat:enterprise_linux:glib2-fam, cpe:/o:redhat:enterprise_linux:8

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/9/2021

Vulnerability Publication Date: 3/11/2021

Reference Information

CVE: CVE-2021-28153, CVE-2021-3800

CWE: 552, 59

RHSA: 2021:4385