rhsa-2021_1214
Vulnerability from csaf_redhat
Published
2021-04-15 11:07
Modified
2024-11-05 23:27
Summary
Red Hat Security Advisory: libldb security update
Notes
Topic
An update for libldb is now available for Red Hat Enterprise Linux 8.1 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. 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
The libldb packages provide an extensible library that implements an LDAP-like API to access remote LDAP servers, or use local TDB databases.
Security Fix(es):
* samba: Out of bounds read in AD DC LDAP server (CVE-2021-20277)
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.
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": "Important" }, "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 libldb is now available for Red Hat Enterprise Linux 8.1 Extended Update Support.\n\nRed Hat Product Security has rated this update as having a security impact of Important. 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": "The libldb packages provide an extensible library that implements an LDAP-like API to access remote LDAP servers, or use local TDB databases.\n\nSecurity Fix(es):\n\n* samba: Out of bounds read in AD DC LDAP server (CVE-2021-20277)\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.", "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-2021:1214", "url": "https://access.redhat.com/errata/RHSA-2021:1214" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1941402", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1941402" }, { "category": "self", "summary": "Canonical 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"Douglas Bagnall" ], "organization": "Catalyst and the Samba Team", "summary": "Acknowledged by upstream." } ], "cve": "CVE-2021-20277", "cwe": { "id": "CWE-125", "name": "Out-of-bounds Read" }, "discovery_date": "2021-03-22T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1941402" } ], "notes": [ { "category": "description", "text": "A flaw was found in Samba\u0027s libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. The highest threat from this vulnerability is to system availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "samba: Out of bounds read in AD DC LDAP server", "title": "Vulnerability summary" }, { "category": "other", "text": "The version of Samba shipped with Red Hat Gluster Storage (RHGS) 3 is built with a private copy of ldb (LDAP-like embedded database) library which includes the vulnerable code. However, Samba shipped with RHGS 3 is not supported for use as an Active Directory Domain Controller and hence the impact has been lowered.", "title": "Statement" }, { "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": [ "BaseOS-8.1.0.Z.EUS:ldb-tools-0:1.5.4-3.el8_1.aarch64", "BaseOS-8.1.0.Z.EUS:ldb-tools-0:1.5.4-3.el8_1.ppc64le", "BaseOS-8.1.0.Z.EUS:ldb-tools-0:1.5.4-3.el8_1.s390x", "BaseOS-8.1.0.Z.EUS:ldb-tools-0:1.5.4-3.el8_1.x86_64", "BaseOS-8.1.0.Z.EUS:ldb-tools-debuginfo-0:1.5.4-3.el8_1.aarch64", "BaseOS-8.1.0.Z.EUS:ldb-tools-debuginfo-0:1.5.4-3.el8_1.i686", "BaseOS-8.1.0.Z.EUS:ldb-tools-debuginfo-0:1.5.4-3.el8_1.ppc64le", "BaseOS-8.1.0.Z.EUS:ldb-tools-debuginfo-0:1.5.4-3.el8_1.s390x", 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"https://access.redhat.com/security/cve/CVE-2021-20277" }, { "category": "external", "summary": "RHBZ#1941402", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1941402" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2021-20277", "url": "https://www.cve.org/CVERecord?id=CVE-2021-20277" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-20277", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20277" }, { "category": "external", "summary": "https://www.samba.org/samba/security/CVE-2021-20277.html", "url": "https://www.samba.org/samba/security/CVE-2021-20277.html" } ], "release_date": "2021-03-24T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-04-15T11:07:44+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", "product_ids": [ 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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- 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.