Vulnerability-Lookup

GHSA-V343-8P34-76P3

Vulnerability from github – Published: 2022-05-24 17:24 – Updated: 2022-05-24 17:24

Details

cloud-init as managed by snapd on Ubuntu Core 16 and Ubuntu Core 18 devices was run without restrictions on every boot, which a physical attacker could exploit by crafting cloud-init user-data/meta-data via external media to perform arbitrary changes on the device to bypass intended security mechanisms such as full disk encryption. This issue did not affect traditional Ubuntu systems. Fixed in snapd version 2.45.2, revision 8539 and core version 2.45.2, revision 9659.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-11933"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-07-29T17:15:00Z",
    "severity": "MODERATE"
  },
  "details": "cloud-init as managed by snapd on Ubuntu Core 16 and Ubuntu Core 18 devices was run without restrictions on every boot, which a physical attacker could exploit by crafting cloud-init user-data/meta-data via external media to perform arbitrary changes on the device to bypass intended security mechanisms such as full disk encryption. This issue did not affect traditional Ubuntu systems. Fixed in snapd version 2.45.2, revision 8539 and core version 2.45.2, revision 9659.",
  "id": "GHSA-v343-8p34-76p3",
  "modified": "2022-05-24T17:24:35Z",
  "published": "2022-05-24T17:24:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-11933"
    },
    {
      "type": "WEB",
      "url": "https://launchpad.net/bugs/1879530"
    },
    {
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      "url": "https://ubuntu.com/USN-4424-1"
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  "schema_version": "1.4.0",
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}

CVE-2020-11933 (GCVE-0-2020-11933)

Vulnerability from cvelistv5 – Published: 2020-07-29 16:25 – Updated: 2024-09-17 00:40

Title

local snapd exploit through cloud-init

Summary

Severity ?

7.3 (High)


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

CWE

CWE-264 - Permissions, Privileges, and Access Controls

Assigner

canonical

References

URL

Tags

	https://launchpad.net/bugs/1879530	x_refsource_CONFIRM
	https://ubuntu.com/USN-4424-1	x_refsource_CONFIRM

Impacted products

Vendor

Product

Version

Canonical

snapd

Affected: 2.45.2 , < 2.45.2, revision 8539 (custom)

Canonical

core

Affected: 2.45.2 , < 2.45.2, revision 9659 (custom)

Credits

Ian Johnson

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-V343-8P34-76P3

CVE-2020-11933 (GCVE-0-2020-11933)

Tags

Sightings

Nomenclature