Vulnerability-Lookup

GHSA-329C-G8G4-89HM

Vulnerability from github – Published: 2022-05-24 17:16 – Updated: 2022-05-24 17:16

Details

In FreeBSD 12.1-STABLE before r359021, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r359020, and 11.3-RELEASE before 11.3-RELEASE-p7, a missing null termination check in the jail_set configuration option "osrelease" may return more bytes with a subsequent jail_get system call allowing a malicious jail superuser with permission to create nested jails to read kernel memory.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-7453"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-04-29T00:15:00Z",
    "severity": "LOW"
  },
  "details": "In FreeBSD 12.1-STABLE before r359021, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r359020, and 11.3-RELEASE before 11.3-RELEASE-p7, a missing null termination check in the jail_set configuration option \"osrelease\" may return more bytes with a subsequent jail_get system call allowing a malicious jail superuser with permission to create nested jails to read kernel memory.",
  "id": "GHSA-329c-g8g4-89hm",
  "modified": "2022-05-24T17:16:55Z",
  "published": "2022-05-24T17:16:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7453"
    },
    {
      "type": "WEB",
      "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:08.jail.asc"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2020-7453 (GCVE-0-2020-7453)

Vulnerability from cvelistv5 – Published: 2020-04-28 23:36 – Updated: 2024-08-04 09:25

Summary

Severity

No CVSS data available.

CWE

Improper Null Termination

Assigner

freebsd

References

1 reference

URL	Tags
https://security.FreeBSD.org/advisories/FreeBSD-S…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
n/a	FreeBSD	Affected: 12.1-STABLE before r359021, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r359020, 11.3-RELEASE before 11.3-RELEASE-p7

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{
  "containers": {
    "adp": [
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:25:49.043Z",
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        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:08.jail.asc"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "FreeBSD",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "12.1-STABLE before r359021, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r359020, 11.3-RELEASE before 11.3-RELEASE-p7"
            }
          ]
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "In FreeBSD 12.1-STABLE before r359021, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r359020, and 11.3-RELEASE before 11.3-RELEASE-p7, a missing null termination check in the jail_set configuration option \"osrelease\" may return more bytes with a subsequent jail_get system call allowing a malicious jail superuser with permission to create nested jails to read kernel memory."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper Null Termination",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-04-28T23:36:45.000Z",
        "orgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
        "shortName": "freebsd"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:08.jail.asc"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secteam@freebsd.org",
          "ID": "CVE-2020-7453",
          "STATE": "PUBLIC"
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        "affects": {
          "vendor": {
            "vendor_data": [
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                "product": {
                  "product_data": [
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                      "version": {
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                "vendor_name": "n/a"
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        "description": {
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        "references": {
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  "cveMetadata": {
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    "dateReserved": "2020-01-21T00:00:00.000Z",
    "dateUpdated": "2024-08-04T09:25:49.043Z",
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}

Sightings

Author	Source	Type	Date	Other

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-329C-G8G4-89HM

CVE-2020-7453 (GCVE-0-2020-7453)

Tags

Sightings

Nomenclature