alsa-2021:1647
Vulnerability from osv_almalinux
Published
2021-05-18 05:44
Modified
2021-11-12 10:20
Summary
Moderate: samba security, bug fix, and enhancement update
Details

Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information.

The following packages have been upgraded to a later upstream version: samba (4.13.3). (BZ#1878109)

Security Fix(es):

  • samba: Netlogon elevation of privilege vulnerability (Zerologon) (CVE-2020-1472)

  • samba: Missing handle permissions check in SMB1/2/3 ChangeNotify (CVE-2020-14318)

  • samba: Unprivileged user can crash winbind (CVE-2020-14323)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "libsmbclient-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.13.3-3.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "libwbclient-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.13.3-3.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "openchange"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.3-27.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "samba-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.13.3-3.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information.\n\nThe following packages have been upgraded to a later upstream version: samba (4.13.3). (BZ#1878109)\n\nSecurity Fix(es):\n\n* samba: Netlogon elevation of privilege vulnerability (Zerologon) (CVE-2020-1472)\n\n* samba: Missing handle permissions check in SMB1/2/3 ChangeNotify (CVE-2020-14318)\n\n* samba: Unprivileged user can crash winbind (CVE-2020-14323)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.",
  "id": "ALSA-2021:1647",
  "modified": "2021-11-12T10:20:56Z",
  "published": "2021-05-18T05:44:25Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2020-14318"
    },
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2020-14323"
    },
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2020-1472"
    }
  ],
  "related": [
    "CVE-2020-1472",
    "CVE-2020-14318",
    "CVE-2020-14323"
  ],
  "summary": "Moderate: samba security, bug fix, and enhancement update"
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.