Vulnerability-Lookup

SUSE-SU-2020:0751-1

Vulnerability from csaf_suse - Published: 2020-03-23 15:32 - Updated: 2020-03-23 15:32

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 fixes the following security issues: - CVE-2020-8631: Replaced the theoretically predictable deterministic RNG with the system RNG (bsc#1162937). - CVE-2020-8632: Increased the default random password length from 9 to 20 (bsc#1162936).

Patchnames: SUSE-2020-751,SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-751,SUSE-SLE-Module-Public-Cloud-15-SP1-2020-751

CVE-2020-8631

8.1 (High)


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

Affected products

Recommended 8 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP1:cloud-init-19.4-8.17.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP1:cloud-init-19.4-8.17.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP1:cloud-init-19.4-8.17.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP1:cloud-init-19.4-8.17.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP1:cloud-init-config-suse-19.4-8.17.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP1:cloud-init-config-suse-19.4-8.17.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP1:cloud-init-config-suse-19.4-8.17.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Public Cloud 15 SP1:cloud-init-config-suse-19.4-8.17.1.x86_64	—	Vendor Fix

Threats

Impact important

CVE-2020-8632

8.1 (High)


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

Affected products

Recommended 8 products, the same list as for CVE-2020-8631

Threats

Impact important

References

13 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-security-upd…	self
https://bugzilla.suse.com/1162936	self
https://bugzilla.suse.com/1162937	self
https://bugzilla.suse.com/1163178	self
https://www.suse.com/security/cve/CVE-2020-8631/	self
https://www.suse.com/security/cve/CVE-2020-8632/	self
https://www.suse.com/security/cve/CVE-2020-8631	external
https://bugzilla.suse.com/1162937	external
https://www.suse.com/security/cve/CVE-2020-8632	external
https://bugzilla.suse.com/1162936	external

JSON

To clipboard

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  "vulnerabilities": [
    {
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      "ids": [
        {
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          "text": "https://www.suse.com/security/cve/CVE-2020-8631"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "cloud-init through 19.4 relies on Mersenne Twister for a random password, which makes it easier for attackers to predict passwords, because rand_str in cloudinit/util.py calls the random.choice function.",
          "title": "CVE description"
        }
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      "remediations": [
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          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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      "scores": [
        {
          "cvss_v3": {
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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      "threats": [
        {
          "category": "impact",
          "date": "2020-03-23T15:32:49Z",
          "details": "important"
        }
      ],
      "title": "CVE-2020-8631"
    },
    {
      "cve": "CVE-2020-8632",
      "ids": [
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-8632"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In cloud-init through 19.4, rand_user_password in cloudinit/config/cc_set_passwords.py has a small default pwlen value, which makes it easier for attackers to guess passwords.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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        }
      ],
      "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": [
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            "SUSE Linux Enterprise Module for Public Cloud 15 SP1:cloud-init-19.4-8.17.1.ppc64le",
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        {
          "cvss_v3": {
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
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      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-03-23T15:32:49Z",
          "details": "important"
        }
      ],
      "title": "CVE-2020-8632"
    }
  ]
}

CVE-2020-8631 (GCVE-0-2020-8631)

Vulnerability from cvelistv5 – Published: 2020-02-05 13:39 – Updated: 2024-08-04 10:03

Summary

cloud-init through 19.4 relies on Mersenne Twister for a random password, which makes it easier for attackers to predict passwords, because rand_str in cloudinit/util.py calls the random.choice function.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
https://github.com/canonical/cloud-init/pull/204	x_refsource_MISC
https://bugs.launchpad.net/ubuntu/+source/cloud-i…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Show details on NVD website

JSON

To clipboard

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CVE-2020-8632 (GCVE-0-2020-8632)

Vulnerability from cvelistv5 – Published: 2020-02-05 13:40 – Updated: 2024-08-04 10:03

Summary

In cloud-init through 19.4, rand_user_password in cloudinit/config/cc_set_passwords.py has a small default pwlen value, which makes it easier for attackers to guess passwords.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
https://bugs.launchpad.net/ubuntu/+source/cloud-i…	x_refsource_MISC
https://github.com/canonical/cloud-init/pull/189	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Show details on NVD website

JSON

To clipboard

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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-2020:0751-1

CVE-2020-8631 (GCVE-0-2020-8631)

CVE-2020-8632 (GCVE-0-2020-8632)

Tags

Sightings

Nomenclature

Related by attack behaviour