Vulnerability CVE-2021-3995

Vulnerability Name:

CVE-2021-3995 (CCN-217978)

Assigned:

2021-11-22

Published:

2022-01-24

Updated:

2023-02-03

Summary:

CVSS v3 Severity:

5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

7.1 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)
6.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): None

CVSS v2 Severity:

6.2 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:N)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): None

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2021-3995

Source: secalert@redhat.com
Type: Third Party Advisory, VDB Entry
secalert@redhat.com

Source: secalert@redhat.com
Type: Mailing List, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Mailing List, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Broken Link, Issue Tracking
secalert@redhat.com

Source: XF
Type: UNKNOWN
utillinux-cve20213995-sec-bypass(217978)

Source: secalert@redhat.com
Type: Patch, Third Party Advisory
secalert@redhat.com

Source: CCN
Type: util-linux GIT Repository
util-linux

Source: secalert@redhat.com
Type: Release Notes, Vendor Advisory
secalert@redhat.com

Source: CCN
Type: oss-sec Mailing List, Mon, 24 Jan 2022 12:25:33 +0000
CVE-2021-3996 and CVE-2021-3995 in util-linux's libmount

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Exploit, Mailing List, Patch, Third Party Advisory
secalert@redhat.com

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-3995

Vulnerable Configuration:

Configuration CCN 1:

cpe:/a:kernel:util-linux:2.36.2:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:7576	P	libblkid-devel-2.37.4-150500.7.16 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:3532	P	java-1_7_0-openjdk-1.7.0.231-43.27.2 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:2995	P	libblkid-devel-2.37.2-150400.6.26 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:94625	P	libblkid-devel-2.37.2-150400.6.26 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:95162	P	uuidd-2.37.2-150400.6.5 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:42432	P	Security update for libeconf, shadow and util-linux (Moderate)	2022-04-19
oval:org.opensuse.security:def:42350	P	Security update for libeconf, shadow and util-linux (Moderate)	2022-03-04
oval:org.opensuse.security:def:102251	P	Security update for libeconf, shadow and util-linux (Moderate)	2022-03-04
oval:org.opensuse.security:def:99218	P	(Moderate)	2022-03-04
oval:org.opensuse.security:def:1703	P	Security update for libeconf, shadow and util-linux (Moderate)	2022-03-04
oval:org.opensuse.security:def:100425	P	(Moderate)	2022-03-04
oval:org.opensuse.security:def:102263	P	Security update for libeconf, shadow and util-linux (Moderate)	2022-03-04
oval:org.opensuse.security:def:99492	P	(Moderate)	2022-03-04
oval:org.opensuse.security:def:100759	P	(Moderate)	2022-03-04
oval:org.opensuse.security:def:960	P	Security update for libeconf, shadow and util-linux (Moderate)	2022-03-04
oval:org.opensuse.security:def:99754	P	(Moderate)	2022-03-04
oval:org.opensuse.security:def:101652	P	Security update for libeconf, shadow and util-linux (Moderate)	2022-03-04
oval:org.opensuse.security:def:1690	P	Security update for libeconf, shadow and util-linux (Moderate)	2022-03-04
oval:org.opensuse.security:def:100087	P	(Moderate)	2022-03-04

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