Vulnerability-Lookup

SUSE-SU-2023:2164-1

Vulnerability from csaf_suse - Published: 2023-05-10 17:55 - Updated: 2023-05-10 17:55

Summary

Security update for cloud-init

Severity

Moderate

Notes

Title of the patch: Security update for cloud-init

Description of the patch: This update for cloud-init contains following fixes: - CVE-2021-3429: Do not write the generated password to the log file. (bsc#1184758) - CVE-2023-1786: Do not expose sensitive data gathered from the CSP. (bsc#1210277) Other fixes: - Change log file creation mode to 640. (bsc#1183939) - Write proper bonding option configuration for SLE/openSUSE. (bsc#1184085) - Do not including sudoers.d directory twice. (bsc#1181283)

Patchnames: SUSE-2023-2164,SUSE-SLE-Module-Public-Cloud-12-2023-2164

CVE-2021-3429

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Recommended 8 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-20.2-37.57.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-20.2-37.57.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-20.2-37.57.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-20.2-37.57.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-config-suse-20.2-37.57.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-config-suse-20.2-37.57.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-config-suse-20.2-37.57.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-config-suse-20.2-37.57.1.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2023-1786

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Recommended 8 products, the same list as for CVE-2021-3429

Threats

Impact moderate

References

15 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-updates/2023…	self
https://bugzilla.suse.com/1181283	self
https://bugzilla.suse.com/1183939	self
https://bugzilla.suse.com/1184085	self
https://bugzilla.suse.com/1184758	self
https://bugzilla.suse.com/1210277	self
https://www.suse.com/security/cve/CVE-2021-3429/	self
https://www.suse.com/security/cve/CVE-2023-1786/	self
https://www.suse.com/security/cve/CVE-2021-3429	external
https://bugzilla.suse.com/1184758	external
https://www.suse.com/security/cve/CVE-2023-1786	external
https://bugzilla.suse.com/1210277	external

JSON

To clipboard

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  "vulnerabilities": [
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          "title": "CVE description"
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      "scores": [
        {
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
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      "threats": [
        {
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          "date": "2023-05-10T17:55:46Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2021-3429"
    },
    {
      "cve": "CVE-2023-1786",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-1786"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Sensitive data could be exposed in logs of cloud-init before version 23.1.2. An attacker could use this information to find hashed passwords and possibly escalate their privilege.",
          "title": "CVE description"
        }
      ],
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        {
          "category": "external",
          "summary": "CVE-2023-1786",
          "url": "https://www.suse.com/security/cve/CVE-2023-1786"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1210277 for CVE-2023-1786",
          "url": "https://bugzilla.suse.com/1210277"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-20.2-37.57.1.aarch64",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-20.2-37.57.1.ppc64le",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-20.2-37.57.1.s390x",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-20.2-37.57.1.x86_64",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-config-suse-20.2-37.57.1.aarch64",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-config-suse-20.2-37.57.1.ppc64le",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-config-suse-20.2-37.57.1.s390x",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-config-suse-20.2-37.57.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-20.2-37.57.1.aarch64",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-20.2-37.57.1.ppc64le",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-20.2-37.57.1.s390x",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-20.2-37.57.1.x86_64",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-config-suse-20.2-37.57.1.aarch64",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-config-suse-20.2-37.57.1.ppc64le",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-config-suse-20.2-37.57.1.s390x",
            "SUSE Linux Enterprise Module for Public Cloud 12:cloud-init-config-suse-20.2-37.57.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-05-10T17:55:46Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2023-1786"
    }
  ]
}

CVE-2021-3429 (GCVE-0-2021-3429)

Vulnerability from cvelistv5 – Published: 2023-04-19 21:42 – Updated: 2025-02-05 14:44

Title

sensitive data exposure in cloud-init logs

Summary

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.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-05 14:43 UTC

CWE

CWE-532
CWE-532 - Insertion of Sensitive Information into Log File

Assigner

canonical mitre root

References

1 reference

URL	Tags
https://github.com/canonical/cloud-init/commit/b7…	patch

Impacted products

1 product

Vendor	Product	Version
Canonical Ltd.	cloud-init	Affected: 0 , < 21.2 (semver)

Date Public

2021-03-26 00:00

Credits

Carl Pearson

Show details on NVD website

JSON

To clipboard

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CVE-2023-1786 (GCVE-0-2023-1786)

Vulnerability from cvelistv5 – Published: 2023-04-26 22:23 – Updated: 2025-02-13 16:39

Title

sensitive data exposure in cloud-init logs

Summary

Sensitive data could be exposed in logs of cloud-init before version 23.1.2. An attacker could use this information to find hashed passwords and possibly escalate their privilege.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-01-31 19:16 UTC

CWE

CWE-532

Assigner

canonical mitre root

References

4 references

URL	Tags
https://github.com/canonical/cloud-init/commit/a3…	patch
https://bugs.launchpad.net/cloud-init/+bug/2013967	issue-tracking
https://ubuntu.com/security/notices/USN-6042-1	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…

Impacted products

1 product

Vendor	Product	Version
Canonical Ltd.	cloud-init	Affected: 0 , < 23.1.2 (semver)

Date Public

2023-04-26 00:00

Credits

James Golovich

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

SUSE-SU-2023:2164-1

CVE-2021-3429 (GCVE-0-2021-3429)

CVE-2023-1786 (GCVE-0-2023-1786)

Tags

Sightings

Nomenclature

Related by attack behaviour