Vulnerability CVE-2021-20178

Vulnerability Name:

CVE-2021-20178 (CCN-202554)

Assigned:

2020-12-17

Published:

2021-05-26

Updated:

2021-06-03

Summary:

A flaw was found in ansible module where credentials are disclosed in the console log by default and not protected by the security feature when using the bitbucket_pipeline_variable module. This flaw allows an attacker to steal bitbucket_pipeline credentials. The highest threat from this vulnerability is to confidentiality.

CVSS v3 Severity:

5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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): None Availibility (A): None

5.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N)
4.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/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): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): None Availibility (A): None

CVSS v2 Severity:

2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)

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

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

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

Vulnerability Type:

CWE-532

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2021-20178

Source: CCN
Type: Red Hat Bugzilla - Bug 1914774
(CVE-2021-20178) - CVE-2021-20178 ansible: user data leak in snmp_facts module

Source: MISC
Type: Issue Tracking, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1914774

Source: XF
Type: UNKNOWN
redhat-cve202120178-info-disc(202554)

Source: CCN
Type: Ansible Collections GIT Repository
snmp_facts: Hide user sensitive information in console #1621

Source: MISC
Type: Broken Link
https://github.com/ansible-collections/community.general/pull/1635,

Source: MISC
Type: Release Notes, Third Party Advisory
https://github.com/ansible/ansible/blob/v2.9.18/changelogs/CHANGELOG-v2.9.rst#security-fixes,

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-9a0903469c

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-e9478617ae

Vulnerable Configuration:

Configuration 1:

cpe:/a:redhat:ansible:*:*:*:*:*:*:*:* (Version < 2.9.18)

OR cpe:/a:redhat:ansible_tower:3.0:*:*:*:*:*:*:*

Configuration 2:

cpe:/o:fedoraproject:fedora:32:*:*:*:*:*:*:*

OR cpe:/o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:redhat:ansible:*:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:744	P	Important security update for SUSE Manager Client Tools (Important)	2022-09-08
oval:org.opensuse.security:def:111931	P	ansible-2.9.24-1.2 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:105499	P	ansible-2.9.24-1.2 on GA media (Moderate)	2021-10-01
oval:org.opensuse.security:def:84168	P	Security update for ansible (Moderate)	2021-06-22
oval:org.opensuse.security:def:84627	P	Security update for ansible (Moderate)	2021-06-22
oval:org.opensuse.security:def:39982	P	Security update for ansible (Moderate)	2021-06-04
oval:org.opensuse.security:def:44412	P	Security update for ansible (Moderate)	2021-06-04

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