github - ghsa-hfvx-54vj-h9wq

GHSA-HFVX-54VJ-H9WQ

Vulnerability from github – Published: 2022-02-19 00:01 – Updated: 2022-03-02 00:00

Details

snapd 2.54.2 fails to perform sufficient validation of snap content interface and layout paths, resulting in the ability for snaps to inject arbitrary AppArmor policy rules via malformed content interface and layout declarations and hence escape strict snap confinement. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1

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{
  "affected": [],
  "aliases": [
    "CVE-2021-4120"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-02-17T23:15:00Z",
    "severity": "HIGH"
  },
  "details": "snapd 2.54.2 fails to perform sufficient validation of snap content interface and layout paths, resulting in the ability for snaps to inject arbitrary AppArmor policy rules via malformed content interface and layout declarations and hence escape strict snap confinement. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1",
  "id": "GHSA-hfvx-54vj-h9wq",
  "modified": "2022-03-02T00:00:48Z",
  "published": "2022-02-19T00:01:39Z",
  "references": [
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    },
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    },
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    },
    {
      "type": "WEB",
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    },
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  "severity": []
}

CVE-2021-4120 (GCVE-0-2021-4120)

Vulnerability from cvelistv5 – Published: 2022-02-17 22:15 – Updated: 2024-08-03 17:16

Title

snapd could be made to bypass intended access restrictions through snap content interfaces and layout paths

Summary

Severity ?

8.2 (High)


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

CWE

CWE-20 - Improper Input Validation

Assigner

canonical

References

URL

Tags

	https://ubuntu.com/security/notices/USN-5292-1	x_refsource_MISC
	https://bugs.launchpad.net/snapd/+bug/1949368	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2022/02/18/2	mailing-listx_refsource_MLIST
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Impacted products

	Vendor	Product	Version
	Canonical Ltd.	snapd	Affected: unspecified , ≤ 2.54.2 (custom)

Credits

Ian Johnson

Show details on NVD website

JSON

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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.

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GHSA-HFVX-54VJ-H9WQ

CVE-2021-4120 (GCVE-0-2021-4120)

Tags

Sightings

Nomenclature