rhsa-2022_0457
Vulnerability from csaf_redhat
Published
2022-02-07 17:43
Modified
2024-11-06 00:26
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.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Critical" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for samba is now available for Red Hat Gluster Storage 3.5 for Red Hat Enterprise Linux 7.\n\nRed 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.", "title": "Topic" }, { "category": "general", "text": "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\nSecurity Fix(es):\n\n* samba: Out-of-bounds heap read/write vulnerability in VFS module vfs_fruit allows code execution (CVE-2021-44142)\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\nAll users of Samba with Red Hat Gluster Storage are advised to upgrade to these updated packages.", "title": "Details" }, { "category": "legal_disclaimer", "text": "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.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2022:0457", "url": "https://access.redhat.com/errata/RHSA-2022:0457" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#critical", "url": "https://access.redhat.com/security/updates/classification/#critical" }, { "category": "external", "summary": "2046146", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2046146" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2022/rhsa-2022_0457.json" } ], "title": "Red Hat Security Advisory: samba security update", "tracking": { "current_release_date": "2024-11-06T00:26:15+00:00", "generator": { "date": "2024-11-06T00:26:15+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2022:0457", "initial_release_date": "2022-02-07T17:43:54+00:00", "revision_history": [ { "date": "2022-02-07T17:43:54+00:00", "number": "1", "summary": "Initial version" }, { "date": "2022-02-07T17:43:54+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-06T00:26:15+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Gluster 3.5 Samba on RHEL-7", "product": { "name": "Red Hat Gluster 3.5 Samba on RHEL-7", "product_id": "7Server-RH-Gluster-3.5-Samba", 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"category": "default_component_of", "full_product_name": { "name": "samba-krb5-printing-0:4.11.6-116.el7rhgs.x86_64 as a component of Red Hat Gluster 3.5 Samba on RHEL-7", "product_id": "7Server-RH-Gluster-3.5-Samba:samba-krb5-printing-0:4.11.6-116.el7rhgs.x86_64" }, "product_reference": "samba-krb5-printing-0:4.11.6-116.el7rhgs.x86_64", "relates_to_product_reference": "7Server-RH-Gluster-3.5-Samba" }, { "category": "default_component_of", "full_product_name": { "name": "samba-libs-0:4.11.6-116.el7rhgs.x86_64 as a component of Red Hat Gluster 3.5 Samba on RHEL-7", "product_id": "7Server-RH-Gluster-3.5-Samba:samba-libs-0:4.11.6-116.el7rhgs.x86_64" }, "product_reference": "samba-libs-0:4.11.6-116.el7rhgs.x86_64", "relates_to_product_reference": "7Server-RH-Gluster-3.5-Samba" }, { "category": "default_component_of", "full_product_name": { "name": "samba-pidl-0:4.11.6-116.el7rhgs.noarch as a component of Red Hat Gluster 3.5 Samba on RHEL-7", "product_id": "7Server-RH-Gluster-3.5-Samba:samba-pidl-0:4.11.6-116.el7rhgs.noarch" }, "product_reference": "samba-pidl-0:4.11.6-116.el7rhgs.noarch", "relates_to_product_reference": "7Server-RH-Gluster-3.5-Samba" }, { "category": "default_component_of", "full_product_name": { "name": "samba-vfs-glusterfs-0:4.11.6-116.el7rhgs.x86_64 as a component of Red Hat Gluster 3.5 Samba on RHEL-7", "product_id": "7Server-RH-Gluster-3.5-Samba:samba-vfs-glusterfs-0:4.11.6-116.el7rhgs.x86_64" }, "product_reference": "samba-vfs-glusterfs-0:4.11.6-116.el7rhgs.x86_64", "relates_to_product_reference": "7Server-RH-Gluster-3.5-Samba" }, { "category": "default_component_of", "full_product_name": { "name": "samba-winbind-0:4.11.6-116.el7rhgs.x86_64 as a component of Red Hat Gluster 3.5 Samba on RHEL-7", "product_id": "7Server-RH-Gluster-3.5-Samba:samba-winbind-0:4.11.6-116.el7rhgs.x86_64" }, "product_reference": "samba-winbind-0:4.11.6-116.el7rhgs.x86_64", "relates_to_product_reference": "7Server-RH-Gluster-3.5-Samba" }, { "category": "default_component_of", "full_product_name": { "name": "samba-winbind-clients-0:4.11.6-116.el7rhgs.x86_64 as a component of Red Hat Gluster 3.5 Samba on RHEL-7", "product_id": "7Server-RH-Gluster-3.5-Samba:samba-winbind-clients-0:4.11.6-116.el7rhgs.x86_64" }, "product_reference": "samba-winbind-clients-0:4.11.6-116.el7rhgs.x86_64", "relates_to_product_reference": "7Server-RH-Gluster-3.5-Samba" }, { "category": "default_component_of", "full_product_name": { "name": "samba-winbind-krb5-locator-0:4.11.6-116.el7rhgs.x86_64 as a component of Red Hat Gluster 3.5 Samba on RHEL-7", "product_id": "7Server-RH-Gluster-3.5-Samba:samba-winbind-krb5-locator-0:4.11.6-116.el7rhgs.x86_64" }, "product_reference": "samba-winbind-krb5-locator-0:4.11.6-116.el7rhgs.x86_64", "relates_to_product_reference": "7Server-RH-Gluster-3.5-Samba" }, { "category": "default_component_of", "full_product_name": { "name": "samba-winbind-modules-0:4.11.6-116.el7rhgs.x86_64 as a component of Red Hat Gluster 3.5 Samba on RHEL-7", "product_id": "7Server-RH-Gluster-3.5-Samba:samba-winbind-modules-0:4.11.6-116.el7rhgs.x86_64" }, "product_reference": "samba-winbind-modules-0:4.11.6-116.el7rhgs.x86_64", "relates_to_product_reference": "7Server-RH-Gluster-3.5-Samba" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Orange Tsai" ], "organization": "DEVCORE" }, { "names": [ "the Samba project" ], "summary": "Acknowledged by upstream." } ], "cve": "CVE-2021-44142", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "discovery_date": "2022-01-26T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2046146" } ], "notes": [ { "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" } ], "product_status": { "fixed": [ "7Server-RH-Gluster-3.5-Samba:ctdb-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libsmbclient-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libsmbclient-devel-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libwbclient-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libwbclient-devel-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:python3-samba-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-0:4.11.6-116.el7rhgs.src", "7Server-RH-Gluster-3.5-Samba:samba-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-client-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-client-libs-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-common-0:4.11.6-116.el7rhgs.noarch", "7Server-RH-Gluster-3.5-Samba:samba-common-libs-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-common-tools-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-debuginfo-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-devel-0:4.11.6-116.el7rhgs.x86_64", "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" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2021-44142" }, { "category": "external", "summary": "RHBZ#2046146", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2046146" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2021-44142", "url": "https://www.cve.org/CVERecord?id=CVE-2021-44142" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-44142", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-44142" }, { "category": "external", "summary": "https://www.samba.org/samba/security/CVE-2021-44142.html", "url": "https://www.samba.org/samba/security/CVE-2021-44142.html" } ], "release_date": "2022-01-31T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2022-02-07T17:43:54+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, the smb service will be restarted automatically.\n\nFor details on migrating Samba/CTDB configuration files, refer to: \n\nhttps://access.redhat.com/solutions/4311261", "product_ids": [ "7Server-RH-Gluster-3.5-Samba:ctdb-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libsmbclient-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libsmbclient-devel-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libwbclient-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libwbclient-devel-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:python3-samba-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-0:4.11.6-116.el7rhgs.src", "7Server-RH-Gluster-3.5-Samba:samba-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-client-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-client-libs-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-common-0:4.11.6-116.el7rhgs.noarch", "7Server-RH-Gluster-3.5-Samba:samba-common-libs-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-common-tools-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-debuginfo-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-devel-0:4.11.6-116.el7rhgs.x86_64", "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" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2022:0457" }, { "category": "workaround", "details": "As a workaround remove the \"fruit\" VFS module from the list of configured VFS objects in any \"vfs objects\" line in the Samba configuration smb.conf.\n\nNote that changing the VFS module settings fruit:metadata or fruit:resource to use the unaffected setting causes all stored information to be inaccessible and will make it appear to macOS clients as if the information is lost.", "product_ids": [ "7Server-RH-Gluster-3.5-Samba:ctdb-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libsmbclient-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libsmbclient-devel-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libwbclient-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libwbclient-devel-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:python3-samba-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-0:4.11.6-116.el7rhgs.src", "7Server-RH-Gluster-3.5-Samba:samba-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-client-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-client-libs-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-common-0:4.11.6-116.el7rhgs.noarch", "7Server-RH-Gluster-3.5-Samba:samba-common-libs-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-common-tools-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-debuginfo-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-devel-0:4.11.6-116.el7rhgs.x86_64", "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" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "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", "version": "3.1" }, "products": [ "7Server-RH-Gluster-3.5-Samba:ctdb-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libsmbclient-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libsmbclient-devel-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libwbclient-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:libwbclient-devel-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:python3-samba-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-0:4.11.6-116.el7rhgs.src", "7Server-RH-Gluster-3.5-Samba:samba-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-client-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-client-libs-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-common-0:4.11.6-116.el7rhgs.noarch", "7Server-RH-Gluster-3.5-Samba:samba-common-libs-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-common-tools-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-debuginfo-0:4.11.6-116.el7rhgs.x86_64", "7Server-RH-Gluster-3.5-Samba:samba-devel-0:4.11.6-116.el7rhgs.x86_64", "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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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.