github - ghsa-qj26-7grj-whg3

GHSA-QJ26-7GRJ-WHG3

Vulnerability from github – Published: 2021-06-23 17:18 – Updated: 2024-05-20 19:39

Summary

Privilege Escalation in fscrypt

Details

The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root user, which allows attackers to gain privileges via a successful login through certain applications that use Linux-PAM (aka pam).

Severity ?

6.5 (Medium)


                  
                    CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/google/fscrypt"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2018-6558"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2021-05-20T21:04:58Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "The pam_fscrypt module in fscrypt before 0.2.4 may incorrectly restore primary and supplementary group IDs to the values associated with the root user, which allows attackers to gain privileges via a successful login through certain applications that use Linux-PAM (aka pam).",
  "id": "GHSA-qj26-7grj-whg3",
  "modified": "2024-05-20T19:39:08Z",
  "published": "2021-06-23T17:18:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-6558"
    },
    {
      "type": "WEB",
      "url": "https://github.com/google/fscrypt/issues/77"
    },
    {
      "type": "WEB",
      "url": "https://github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91b"
    },
    {
      "type": "WEB",
      "url": "https://github.com/google/fscrypt/commit/315f9b042237200174a1fb99427f74027e191d66"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/google/fscrypt"
    },
    {
      "type": "WEB",
      "url": "https://launchpad.net/bugs/1787548"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2020-0027"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Privilege Escalation in fscrypt"
}

CVE-2018-6558 (GCVE-0-2018-6558)

Vulnerability from cvelistv5 – Published: 2018-08-23 20:00 – Updated: 2024-09-17 02:06

Summary

Severity ?

No CVSS data available.

CWE

Assigner

canonical

References

URL

Tags

	https://github.com/google/fscrypt/issues/77	x_refsource_MISC
	https://github.com/google/fscrypt/commit/3022c160…	x_refsource_MISC
	https://github.com/google/fscrypt/commit/315f9b04…	x_refsource_MISC
	https://launchpad.net/bugs/1787548	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	The fscrypt Project	fscrypt	Affected: before 0.2.4

Show details on NVD website

JSON

To clipboard

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            "url": "https://github.com/google/fscrypt/commit/3022c1603d968c22f147b4a2c49c4637dd1be91b"
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      "source": {
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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-QJ26-7GRJ-WHG3

CVE-2018-6558 (GCVE-0-2018-6558)

Tags

Sightings

Nomenclature