rhsa-2022_0457
Vulnerability from csaf_redhat
Published
2022-02-07 17:43
Modified
2024-11-22 18:20
Summary
Red Hat Security Advisory: samba security update

Notes

Topic
An update for samba is now available for Red Hat Gluster Storage 3.5 for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
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. Security Fix(es): * samba: Out-of-bounds heap read/write vulnerability in VFS module vfs_fruit allows code execution (CVE-2021-44142) 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. All users of Samba with Red Hat Gluster Storage are advised to upgrade to these updated packages.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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    {
      "acknowledgments": [
        {
          "names": [
            "Orange Tsai"
          ],
          "organization": "DEVCORE"
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          "names": [
            "the Samba project"
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          "summary": "Acknowledged by upstream."
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        "name": "Out-of-bounds Write"
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      "discovery_date": "2022-01-26T00:00:00+00:00",
      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "2046146"
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        {
          "category": "description",
          "text": "An out-of-bounds heap read write vulnerability was found in Samba. Due to a boundary error when processing EA metadata while opening files in smbd within the VFS Samba module (vfs_fruit), a remote attacker with ability to write to file\u0027s extended attributes can trigger an out-of-bounds write and execute arbitrary code with root privileges.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "samba: Out-of-bounds heap read/write vulnerability in VFS module vfs_fruit allows code execution",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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            "baseScore": 9.9,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
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            "7Server-RH-Gluster-3.5-Samba:samba-krb5-printing-0:4.11.6-116.el7rhgs.x86_64",
            "7Server-RH-Gluster-3.5-Samba:samba-libs-0:4.11.6-116.el7rhgs.x86_64",
            "7Server-RH-Gluster-3.5-Samba:samba-pidl-0:4.11.6-116.el7rhgs.noarch",
            "7Server-RH-Gluster-3.5-Samba:samba-vfs-glusterfs-0:4.11.6-116.el7rhgs.x86_64",
            "7Server-RH-Gluster-3.5-Samba:samba-winbind-0:4.11.6-116.el7rhgs.x86_64",
            "7Server-RH-Gluster-3.5-Samba:samba-winbind-clients-0:4.11.6-116.el7rhgs.x86_64",
            "7Server-RH-Gluster-3.5-Samba:samba-winbind-krb5-locator-0:4.11.6-116.el7rhgs.x86_64",
            "7Server-RH-Gluster-3.5-Samba:samba-winbind-modules-0:4.11.6-116.el7rhgs.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ],
      "title": "samba: Out-of-bounds heap read/write vulnerability in VFS module vfs_fruit allows code execution"
    }
  ]
}


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