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Vulnerability Details :

CVE-2021-3429

Summary
Assigner-canonical
Assigner Org ID-cc1ad9ee-3454-478d-9317-d3e869d708bc
Published At-19 Apr, 2023 | 21:42
Updated At-05 Feb, 2025 | 14:44
Rejected At-
Credits

sensitive data exposure in cloud-init logs

When instructing cloud-init to set a random password for a new user account, versions before 21.2 would write that password to the world-readable log file /var/log/cloud-init-output.log. This could allow a local user to log in as another user.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:canonical
Assigner Org ID:cc1ad9ee-3454-478d-9317-d3e869d708bc
Published At:19 Apr, 2023 | 21:42
Updated At:05 Feb, 2025 | 14:44
Rejected At:
▼CVE Numbering Authority (CNA)
sensitive data exposure in cloud-init logs

When instructing cloud-init to set a random password for a new user account, versions before 21.2 would write that password to the world-readable log file /var/log/cloud-init-output.log. This could allow a local user to log in as another user.

Affected Products
Vendor
Canonical Ltd.Canonical Ltd.
Product
cloud-init
Collection URL
https://github.com/canonical/cloud-init/releases
Package Name
cloud-init
Repo
https://github.com/canonical/cloud-init/
Platforms
  • Linux
Versions
Affected
  • From 0 before 21.2 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-532CWE-532
Type: CWE
CWE ID: CWE-532
Description: CWE-532
Metrics
VersionBase scoreBase severityVector
3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Carl Pearson
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d86e10668
patch
Hyperlink: https://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d86e10668
Resource:
patch
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d86e10668
patch
x_transferred
Hyperlink: https://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d86e10668
Resource:
patch
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-532CWE-532 Insertion of Sensitive Information into Log File
Type: CWE
CWE ID: CWE-532
Description: CWE-532 Insertion of Sensitive Information into Log File
Metrics
VersionBase scoreBase severityVector
3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@ubuntu.com
Published At:19 Apr, 2023 | 22:15
Updated At:05 Feb, 2025 | 15:15

When instructing cloud-init to set a random password for a new user account, versions before 21.2 would write that password to the world-readable log file /var/log/cloud-init-output.log. This could allow a local user to log in as another user.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Secondary3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Type: Secondary
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Type: Primary
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Type: Secondary
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CPE Matches
Canonical Ltd.
canonical
>>cloud-init>>Versions before 21.2(exclusive)
cpe:2.3:a:canonical:cloud-init:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-532Secondarysecurity@ubuntu.com
CWE-532Primarynvd@nist.gov
CWE-532Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-532
Type: Secondary
Source: security@ubuntu.com
CWE ID: CWE-532
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-532
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d86e10668security@ubuntu.com
Patch
https://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d86e10668af854a3a-2127-422b-91ae-364da2661108
Patch
Hyperlink: https://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d86e10668
Source: security@ubuntu.com
Resource:
Patch
Hyperlink: https://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d86e10668
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch

Change History

0
Information is not available yet

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