pysec - pysec-2020-109

PYSEC-2020-109

Vulnerability from pysec - Published: 2020-12-04 03:15 - Updated: 2020-12-14 20:36

Details

In some conditions, a snap package built by snapcraft includes the current directory in LD_LIBRARY_PATH, allowing a malicious snap to gain code execution within the context of another snap if both plug the home interface or similar. This issue affects snapcraft versions prior to 4.4.4, prior to 2.43.1+16.04.1, and prior to 2.43.1+18.04.1.

Impacted products

Name	purl
snapcraft	pkg:pypi/snapcraft

Aliases

CVE-2020-27348

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "snapcraft",
        "purl": "pkg:pypi/snapcraft"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.43.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.33",
        "2.39",
        "2.40.1",
        "2.41",
        "2.42",
        "2.43"
      ]
    }
  ],
  "aliases": [
    "CVE-2020-27348"
  ],
  "details": "In some conditions, a snap package built by snapcraft includes the current directory in LD_LIBRARY_PATH, allowing a malicious snap to gain code execution within the context of another snap if both plug the home interface or similar. This issue affects snapcraft versions prior to 4.4.4, prior to 2.43.1+16.04.1, and prior to 2.43.1+18.04.1.",
  "id": "PYSEC-2020-109",
  "modified": "2020-12-14T20:36:00Z",
  "published": "2020-12-04T03:15:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://usn.ubuntu.com/usn/usn-4661-1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/snapcore/snapcraft/pull/3345"
    },
    {
      "type": "WEB",
      "url": "https://bugs.launchpad.net/bugs/1901572"
    }
  ]
}

CVE-2020-27348 (GCVE-0-2020-27348)

Vulnerability from cvelistv5 – Published: 2020-12-04 02:30 – Updated: 2024-09-16 17:14

Title

snapcraft may build snaps with incorrect LD_LIBRARY_PATH

Summary

Severity ?

6.8 (Medium)


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

CWE

CWE-427 - Uncontrolled Search Path Element

Assigner

canonical

References

URL

Tags

	https://github.com/snapcore/snapcraft/pull/3345	x_refsource_MISC
	https://usn.ubuntu.com/usn/usn-4661-1	x_refsource_MISC
	https://bugs.launchpad.net/bugs/1901572	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Canonical	snapcraft	Affected: 4.4 , < 4.4.4 (custom) Affected: 2.43.1 , < 2.43.1+16.04.1 (custom)

Credits

itszn

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

PYSEC-2020-109

CVE-2020-27348 (GCVE-0-2020-27348)

Tags

Sightings

Nomenclature