github - ghsa-f6xc-44hh-rf46

GHSA-F6XC-44HH-RF46

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

Details

snapd 2.54.2 did not properly validate the location of the snap-confine binary. A local attacker who can hardlink this binary to another location to cause snap-confine to execute other arbitrary binaries and hence gain privilege escalation. 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-2021-44730"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-59"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-02-17T23:15:00Z",
    "severity": "HIGH"
  },
  "details": "snapd 2.54.2 did not properly validate the location of the snap-confine binary. A local attacker who can hardlink this binary to another location to cause snap-confine to execute other arbitrary binaries and hence gain privilege escalation. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1",
  "id": "GHSA-f6xc-44hh-rf46",
  "modified": "2022-03-01T00:01:04Z",
  "published": "2022-02-19T00:01:40Z",
  "references": [
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    },
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  "schema_version": "1.4.0",
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}

CVE-2021-44730 (GCVE-0-2021-44730)

Vulnerability from cvelistv5 – Published: 2022-02-17 22:15 – Updated: 2024-08-04 04:32

Summary

Severity ?

7.8 (High)


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

CWE

CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Assigner

canonical

References

URL

Tags

	https://ubuntu.com/security/notices/USN-5292-1	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
	https://www.debian.org/security/2022/dsa-5080	vendor-advisoryx_refsource_DEBIAN
	http://www.openwall.com/lists/oss-security/2022/02/23/1	mailing-listx_refsource_MLIST

Impacted products

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

Credits

Qualys Research Team

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.

Action not permitted

GHSA-F6XC-44HH-RF46

CVE-2021-44730 (GCVE-0-2021-44730)

Tags

Sightings

Nomenclature