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cve-2016-0741
Vulnerability from cvelistv5
Published
2016-04-19 21:00
Modified
2024-08-05 22:30
Severity ?
EPSS score ?
Summary
slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.
References
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RHSA-2016:0204
Vulnerability from csaf_redhat
Published
2016-02-16 10:47
Modified
2024-11-22 09:42
Summary
Red Hat Security Advisory: 389-ds-base security and bug fix update
Notes
Topic
Updated 389-ds-base packages that fix one security issue and several bugs
are now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
Details
The 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server.
The base packages include the Lightweight Directory Access Protocol (LDAP)
server and command-line utilities for server administration.
An infinite-loop vulnerability was discovered in the 389 directory server,
where the server failed to correctly handle unexpectedly closed client
connections. A remote attacker able to connect to the server could use this
flaw to make the directory server consume an excessive amount of CPU and
stop accepting connections (denial of service). (CVE-2016-0741)
This update fixes the following bugs:
* Previously, if a simple paged results search failed in the back end, the
simple paged results slot was not released. Consequently, the simple paged
results slots in a connection object could be accumulated. With this
update, the simple paged results slot is released correctly when a search
fails, and unused simple paged results slots are no longer left in a
connection object. (BZ#1290725)
* Previously, when several values of the same attribute were deleted using
the ldapmodify command, and at least one of them was added again during the
same operation, the equality index was not updated. As a consequence, an
exact search for the re-added attribute value did not return the entry. The
logic of the index code has been modified to update the index if at least
one of the values in the entry changes, and the exact search for the
re-added attribute value now returns the correct entry. (BZ#1290726)
* Prior to this update, when the cleanAllRUV task was running, a bogus
attrlist_replace error message was logged repeatedly due to a memory
corruption. With this update, the appropriate memory copy function memmove
is used, which fixes the memory corruption. As a result, the error messages
are no longer logged in this scenario. (BZ#1295684)
* To fix a simple paged results bug, an exclusive lock on a connection was
previously added. This consequently caused a self deadlock in a particular
case. With this update, the exclusive lock on a connection has been changed
to the re-entrant type, and the self deadlock no longer occurs.
(BZ#1298105)
* Previously, an unnecessary lock was sometimes acquired on a connection
object, which could consequently cause a deadlock. A patch has been applied
to remove the unnecessary locking, and the deadlock no longer occurs.
(BZ#1299346)
Users of 389-ds-base are advised to upgrade to these updated packages,
which correct these issues. After installing this update, the 389 server
service will be restarted automatically.
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": "Updated 389-ds-base packages that fix one security issue and several bugs\nare now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having Important security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section.", "title": "Topic" }, { "category": "general", "text": "The 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server.\nThe base packages include the Lightweight Directory Access Protocol (LDAP)\nserver and command-line utilities for server administration.\n\nAn infinite-loop vulnerability was discovered in the 389 directory server,\nwhere the server failed to correctly handle unexpectedly closed client\nconnections. A remote attacker able to connect to the server could use this\nflaw to make the directory server consume an excessive amount of CPU and\nstop accepting connections (denial of service). (CVE-2016-0741)\n\nThis update fixes the following bugs:\n\n* Previously, if a simple paged results search failed in the back end, the\nsimple paged results slot was not released. Consequently, the simple paged\nresults slots in a connection object could be accumulated. With this\nupdate, the simple paged results slot is released correctly when a search\nfails, and unused simple paged results slots are no longer left in a\nconnection object. (BZ#1290725)\n\n* Previously, when several values of the same attribute were deleted using\nthe ldapmodify command, and at least one of them was added again during the\nsame operation, the equality index was not updated. As a consequence, an\nexact search for the re-added attribute value did not return the entry. The\nlogic of the index code has been modified to update the index if at least\none of the values in the entry changes, and the exact search for the\nre-added attribute value now returns the correct entry. (BZ#1290726)\n\n* Prior to this update, when the cleanAllRUV task was running, a bogus\nattrlist_replace error message was logged repeatedly due to a memory\ncorruption. With this update, the appropriate memory copy function memmove\nis used, which fixes the memory corruption. As a result, the error messages\nare no longer logged in this scenario. (BZ#1295684)\n\n* To fix a simple paged results bug, an exclusive lock on a connection was\npreviously added. This consequently caused a self deadlock in a particular\ncase. With this update, the exclusive lock on a connection has been changed\nto the re-entrant type, and the self deadlock no longer occurs.\n(BZ#1298105)\n\n* Previously, an unnecessary lock was sometimes acquired on a connection\nobject, which could consequently cause a deadlock. A patch has been applied\nto remove the unnecessary locking, and the deadlock no longer occurs.\n(BZ#1299346)\n\nUsers of 389-ds-base are advised to upgrade to these updated packages,\nwhich correct these issues. After installing this update, the 389 server\nservice will be restarted automatically.", "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-2016:0204", "url": "https://access.redhat.com/errata/RHSA-2016:0204" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1290725", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1290725" }, { "category": "external", "summary": "1290726", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1290726" }, { "category": "external", "summary": "1295684", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1295684" }, { "category": "external", "summary": "1299346", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1299346" }, { "category": "external", "summary": "1299416", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1299416" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2016/rhsa-2016_0204.json" } ], "title": "Red Hat Security Advisory: 389-ds-base security and bug fix update", "tracking": { "current_release_date": "2024-11-22T09:42:10+00:00", "generator": { "date": "2024-11-22T09:42:10+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2016:0204", "initial_release_date": "2016-02-16T10:47:59+00:00", "revision_history": [ { "date": "2016-02-16T10:47:59+00:00", "number": "1", "summary": "Initial version" }, { "date": "2016-02-16T10:47:59+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T09:42:10+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux Client Optional (v. 7)", "product": { "name": "Red Hat Enterprise Linux Client Optional (v. 7)", "product_id": "7Client-optional-7.2.Z", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7::client" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux ComputeNode Optional (v. 7)", "product": { "name": "Red Hat Enterprise Linux ComputeNode Optional (v. 7)", "product_id": "7ComputeNode-optional-7.2.Z", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7::computenode" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux Server (v. 7)", "product": { "name": "Red 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Condition (\u0027Infinite Loop\u0027)" }, "discovery_date": "2016-01-15T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1299416" } ], "notes": [ { "category": "description", "text": "An infinite-loop vulnerability was discovered in the 389 directory server, where the server failed to correctly handle unexpectedly closed client connections. A remote attacker able to connect to the server could use this flaw to make the directory server consume an excessive amount of CPU and stop accepting connections (denial of service).", "title": "Vulnerability description" }, { "category": "summary", "text": "389-ds-base: worker threads do not detect abnormally closed connections causing DoS", "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": [ "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.ppc64le", "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.src", "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.x86_64", "7Client-optional-7.2.Z:389-ds-base-debuginfo-0:1.3.4.0-26.el7_2.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2016-0741", "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-0741" } ], "release_date": "2016-01-15T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2016-02-16T10:47:59+00:00", "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.ppc64le", "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.src", "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.x86_64", "7Client-optional-7.2.Z:389-ds-base-debuginfo-0:1.3.4.0-26.el7_2.ppc64le", "7Client-optional-7.2.Z:389-ds-base-debuginfo-0:1.3.4.0-26.el7_2.x86_64", "7Client-optional-7.2.Z:389-ds-base-devel-0:1.3.4.0-26.el7_2.ppc64le", "7Client-optional-7.2.Z:389-ds-base-devel-0:1.3.4.0-26.el7_2.x86_64", 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rhsa-2016_0204
Vulnerability from csaf_redhat
Published
2016-02-16 10:47
Modified
2024-11-22 09:42
Summary
Red Hat Security Advisory: 389-ds-base security and bug fix update
Notes
Topic
Updated 389-ds-base packages that fix one security issue and several bugs
are now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
Details
The 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server.
The base packages include the Lightweight Directory Access Protocol (LDAP)
server and command-line utilities for server administration.
An infinite-loop vulnerability was discovered in the 389 directory server,
where the server failed to correctly handle unexpectedly closed client
connections. A remote attacker able to connect to the server could use this
flaw to make the directory server consume an excessive amount of CPU and
stop accepting connections (denial of service). (CVE-2016-0741)
This update fixes the following bugs:
* Previously, if a simple paged results search failed in the back end, the
simple paged results slot was not released. Consequently, the simple paged
results slots in a connection object could be accumulated. With this
update, the simple paged results slot is released correctly when a search
fails, and unused simple paged results slots are no longer left in a
connection object. (BZ#1290725)
* Previously, when several values of the same attribute were deleted using
the ldapmodify command, and at least one of them was added again during the
same operation, the equality index was not updated. As a consequence, an
exact search for the re-added attribute value did not return the entry. The
logic of the index code has been modified to update the index if at least
one of the values in the entry changes, and the exact search for the
re-added attribute value now returns the correct entry. (BZ#1290726)
* Prior to this update, when the cleanAllRUV task was running, a bogus
attrlist_replace error message was logged repeatedly due to a memory
corruption. With this update, the appropriate memory copy function memmove
is used, which fixes the memory corruption. As a result, the error messages
are no longer logged in this scenario. (BZ#1295684)
* To fix a simple paged results bug, an exclusive lock on a connection was
previously added. This consequently caused a self deadlock in a particular
case. With this update, the exclusive lock on a connection has been changed
to the re-entrant type, and the self deadlock no longer occurs.
(BZ#1298105)
* Previously, an unnecessary lock was sometimes acquired on a connection
object, which could consequently cause a deadlock. A patch has been applied
to remove the unnecessary locking, and the deadlock no longer occurs.
(BZ#1299346)
Users of 389-ds-base are advised to upgrade to these updated packages,
which correct these issues. After installing this update, the 389 server
service will be restarted automatically.
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": "Updated 389-ds-base packages that fix one security issue and several bugs\nare now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having Important security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section.", "title": "Topic" }, { "category": "general", "text": "The 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server.\nThe base packages include the Lightweight Directory Access Protocol (LDAP)\nserver and command-line utilities for server administration.\n\nAn infinite-loop vulnerability was discovered in the 389 directory server,\nwhere the server failed to correctly handle unexpectedly closed client\nconnections. A remote attacker able to connect to the server could use this\nflaw to make the directory server consume an excessive amount of CPU and\nstop accepting connections (denial of service). (CVE-2016-0741)\n\nThis update fixes the following bugs:\n\n* Previously, if a simple paged results search failed in the back end, the\nsimple paged results slot was not released. Consequently, the simple paged\nresults slots in a connection object could be accumulated. With this\nupdate, the simple paged results slot is released correctly when a search\nfails, and unused simple paged results slots are no longer left in a\nconnection object. (BZ#1290725)\n\n* Previously, when several values of the same attribute were deleted using\nthe ldapmodify command, and at least one of them was added again during the\nsame operation, the equality index was not updated. As a consequence, an\nexact search for the re-added attribute value did not return the entry. The\nlogic of the index code has been modified to update the index if at least\none of the values in the entry changes, and the exact search for the\nre-added attribute value now returns the correct entry. (BZ#1290726)\n\n* Prior to this update, when the cleanAllRUV task was running, a bogus\nattrlist_replace error message was logged repeatedly due to a memory\ncorruption. With this update, the appropriate memory copy function memmove\nis used, which fixes the memory corruption. As a result, the error messages\nare no longer logged in this scenario. (BZ#1295684)\n\n* To fix a simple paged results bug, an exclusive lock on a connection was\npreviously added. This consequently caused a self deadlock in a particular\ncase. With this update, the exclusive lock on a connection has been changed\nto the re-entrant type, and the self deadlock no longer occurs.\n(BZ#1298105)\n\n* Previously, an unnecessary lock was sometimes acquired on a connection\nobject, which could consequently cause a deadlock. A patch has been applied\nto remove the unnecessary locking, and the deadlock no longer occurs.\n(BZ#1299346)\n\nUsers of 389-ds-base are advised to upgrade to these updated packages,\nwhich correct these issues. After installing this update, the 389 server\nservice will be restarted automatically.", "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-2016:0204", "url": "https://access.redhat.com/errata/RHSA-2016:0204" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1290725", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1290725" }, { "category": "external", "summary": "1290726", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1290726" }, { "category": "external", "summary": "1295684", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1295684" }, { "category": "external", "summary": "1299346", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1299346" }, { "category": "external", "summary": "1299416", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1299416" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2016/rhsa-2016_0204.json" } ], "title": "Red Hat Security Advisory: 389-ds-base security and bug fix update", "tracking": { "current_release_date": "2024-11-22T09:42:10+00:00", "generator": { "date": "2024-11-22T09:42:10+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2016:0204", "initial_release_date": "2016-02-16T10:47:59+00:00", "revision_history": [ { "date": "2016-02-16T10:47:59+00:00", "number": "1", "summary": "Initial version" }, { "date": "2016-02-16T10:47:59+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T09:42:10+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux Client Optional (v. 7)", "product": { "name": "Red Hat Enterprise Linux Client Optional (v. 7)", "product_id": "7Client-optional-7.2.Z", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7::client" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux ComputeNode Optional (v. 7)", "product": { "name": "Red Hat Enterprise Linux ComputeNode Optional (v. 7)", "product_id": "7ComputeNode-optional-7.2.Z", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7::computenode" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux Server (v. 7)", "product": { "name": "Red 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Condition (\u0027Infinite Loop\u0027)" }, "discovery_date": "2016-01-15T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1299416" } ], "notes": [ { "category": "description", "text": "An infinite-loop vulnerability was discovered in the 389 directory server, where the server failed to correctly handle unexpectedly closed client connections. A remote attacker able to connect to the server could use this flaw to make the directory server consume an excessive amount of CPU and stop accepting connections (denial of service).", "title": "Vulnerability description" }, { "category": "summary", "text": "389-ds-base: worker threads do not detect abnormally closed connections causing DoS", "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": [ "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.ppc64le", "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.src", "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.x86_64", "7Client-optional-7.2.Z:389-ds-base-debuginfo-0:1.3.4.0-26.el7_2.ppc64le", 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"https://nvd.nist.gov/vuln/detail/CVE-2016-0741", "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-0741" } ], "release_date": "2016-01-15T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2016-02-16T10:47:59+00:00", "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.ppc64le", "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.src", "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.x86_64", "7Client-optional-7.2.Z:389-ds-base-debuginfo-0:1.3.4.0-26.el7_2.ppc64le", "7Client-optional-7.2.Z:389-ds-base-debuginfo-0:1.3.4.0-26.el7_2.x86_64", "7Client-optional-7.2.Z:389-ds-base-devel-0:1.3.4.0-26.el7_2.ppc64le", "7Client-optional-7.2.Z:389-ds-base-devel-0:1.3.4.0-26.el7_2.x86_64", 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rhsa-2016:0204
Vulnerability from csaf_redhat
Published
2016-02-16 10:47
Modified
2024-11-22 09:42
Summary
Red Hat Security Advisory: 389-ds-base security and bug fix update
Notes
Topic
Updated 389-ds-base packages that fix one security issue and several bugs
are now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having Important security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.
Details
The 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server.
The base packages include the Lightweight Directory Access Protocol (LDAP)
server and command-line utilities for server administration.
An infinite-loop vulnerability was discovered in the 389 directory server,
where the server failed to correctly handle unexpectedly closed client
connections. A remote attacker able to connect to the server could use this
flaw to make the directory server consume an excessive amount of CPU and
stop accepting connections (denial of service). (CVE-2016-0741)
This update fixes the following bugs:
* Previously, if a simple paged results search failed in the back end, the
simple paged results slot was not released. Consequently, the simple paged
results slots in a connection object could be accumulated. With this
update, the simple paged results slot is released correctly when a search
fails, and unused simple paged results slots are no longer left in a
connection object. (BZ#1290725)
* Previously, when several values of the same attribute were deleted using
the ldapmodify command, and at least one of them was added again during the
same operation, the equality index was not updated. As a consequence, an
exact search for the re-added attribute value did not return the entry. The
logic of the index code has been modified to update the index if at least
one of the values in the entry changes, and the exact search for the
re-added attribute value now returns the correct entry. (BZ#1290726)
* Prior to this update, when the cleanAllRUV task was running, a bogus
attrlist_replace error message was logged repeatedly due to a memory
corruption. With this update, the appropriate memory copy function memmove
is used, which fixes the memory corruption. As a result, the error messages
are no longer logged in this scenario. (BZ#1295684)
* To fix a simple paged results bug, an exclusive lock on a connection was
previously added. This consequently caused a self deadlock in a particular
case. With this update, the exclusive lock on a connection has been changed
to the re-entrant type, and the self deadlock no longer occurs.
(BZ#1298105)
* Previously, an unnecessary lock was sometimes acquired on a connection
object, which could consequently cause a deadlock. A patch has been applied
to remove the unnecessary locking, and the deadlock no longer occurs.
(BZ#1299346)
Users of 389-ds-base are advised to upgrade to these updated packages,
which correct these issues. After installing this update, the 389 server
service will be restarted automatically.
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": "Updated 389-ds-base packages that fix one security issue and several bugs\nare now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having Important security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section.", "title": "Topic" }, { "category": "general", "text": "The 389 Directory Server is an LDAP version 3 (LDAPv3) compliant server.\nThe base packages include the Lightweight Directory Access Protocol (LDAP)\nserver and command-line utilities for server administration.\n\nAn infinite-loop vulnerability was discovered in the 389 directory server,\nwhere the server failed to correctly handle unexpectedly closed client\nconnections. A remote attacker able to connect to the server could use this\nflaw to make the directory server consume an excessive amount of CPU and\nstop accepting connections (denial of service). (CVE-2016-0741)\n\nThis update fixes the following bugs:\n\n* Previously, if a simple paged results search failed in the back end, the\nsimple paged results slot was not released. Consequently, the simple paged\nresults slots in a connection object could be accumulated. With this\nupdate, the simple paged results slot is released correctly when a search\nfails, and unused simple paged results slots are no longer left in a\nconnection object. (BZ#1290725)\n\n* Previously, when several values of the same attribute were deleted using\nthe ldapmodify command, and at least one of them was added again during the\nsame operation, the equality index was not updated. As a consequence, an\nexact search for the re-added attribute value did not return the entry. The\nlogic of the index code has been modified to update the index if at least\none of the values in the entry changes, and the exact search for the\nre-added attribute value now returns the correct entry. (BZ#1290726)\n\n* Prior to this update, when the cleanAllRUV task was running, a bogus\nattrlist_replace error message was logged repeatedly due to a memory\ncorruption. With this update, the appropriate memory copy function memmove\nis used, which fixes the memory corruption. As a result, the error messages\nare no longer logged in this scenario. (BZ#1295684)\n\n* To fix a simple paged results bug, an exclusive lock on a connection was\npreviously added. This consequently caused a self deadlock in a particular\ncase. With this update, the exclusive lock on a connection has been changed\nto the re-entrant type, and the self deadlock no longer occurs.\n(BZ#1298105)\n\n* Previously, an unnecessary lock was sometimes acquired on a connection\nobject, which could consequently cause a deadlock. A patch has been applied\nto remove the unnecessary locking, and the deadlock no longer occurs.\n(BZ#1299346)\n\nUsers of 389-ds-base are advised to upgrade to these updated packages,\nwhich correct these issues. After installing this update, the 389 server\nservice will be restarted automatically.", "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-2016:0204", "url": "https://access.redhat.com/errata/RHSA-2016:0204" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "1290725", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1290725" }, { "category": "external", "summary": "1290726", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1290726" }, { "category": "external", "summary": "1295684", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1295684" }, { "category": "external", "summary": "1299346", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1299346" }, { "category": "external", "summary": "1299416", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1299416" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2016/rhsa-2016_0204.json" } ], "title": "Red Hat Security Advisory: 389-ds-base security and bug fix update", "tracking": { "current_release_date": "2024-11-22T09:42:10+00:00", "generator": { "date": "2024-11-22T09:42:10+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2016:0204", "initial_release_date": "2016-02-16T10:47:59+00:00", "revision_history": [ { "date": "2016-02-16T10:47:59+00:00", "number": "1", "summary": "Initial version" }, { "date": "2016-02-16T10:47:59+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T09:42:10+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux Client Optional (v. 7)", "product": { "name": "Red Hat Enterprise Linux Client Optional (v. 7)", "product_id": "7Client-optional-7.2.Z", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7::client" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux ComputeNode Optional (v. 7)", "product": { "name": "Red Hat Enterprise Linux ComputeNode Optional (v. 7)", "product_id": "7ComputeNode-optional-7.2.Z", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7::computenode" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux Server (v. 7)", "product": { "name": "Red 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Condition (\u0027Infinite Loop\u0027)" }, "discovery_date": "2016-01-15T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1299416" } ], "notes": [ { "category": "description", "text": "An infinite-loop vulnerability was discovered in the 389 directory server, where the server failed to correctly handle unexpectedly closed client connections. A remote attacker able to connect to the server could use this flaw to make the directory server consume an excessive amount of CPU and stop accepting connections (denial of service).", "title": "Vulnerability description" }, { "category": "summary", "text": "389-ds-base: worker threads do not detect abnormally closed connections causing DoS", "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": [ "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.ppc64le", "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.src", "7Client-optional-7.2.Z:389-ds-base-0:1.3.4.0-26.el7_2.x86_64", "7Client-optional-7.2.Z:389-ds-base-debuginfo-0:1.3.4.0-26.el7_2.ppc64le", 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ghsa-hx2c-r32g-8w55
Vulnerability from github
Published
2022-05-17 03:47
Modified
2022-05-17 03:47
Severity ?
Details
slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.
{ "affected": [], "aliases": [ "CVE-2016-0741" ], "database_specific": { "cwe_ids": [], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2016-04-19T21:59:00Z", "severity": "HIGH" }, "details": "slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.", "id": "GHSA-hx2c-r32g-8w55", "modified": "2022-05-17T03:47:57Z", "published": "2022-05-17T03:47:57Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-0741" }, { "type": "WEB", "url": "https://fedorahosted.org/389/changeset/cd45d032421b0ecf76d8cbb9b1c3aeef7680d9a2" }, { "type": "WEB", "url": "https://fedorahosted.org/389/ticket/48412" }, { "type": "WEB", "url": "http://directory.fedoraproject.org/docs/389ds/releases/release-1-3-4-7.html" }, { "type": "WEB", "url": "http://rhn.redhat.com/errata/RHSA-2016-0204.html" }, { "type": "WEB", "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html" }, { "type": "WEB", "url": "http://www.securityfocus.com/bid/82343" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "type": "CVSS_V3" } ] }
cve-2016-0741
Vulnerability from fkie_nvd
Published
2016-04-19 21:59
Modified
2024-11-21 02:42
Severity ?
Summary
slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
redhat | enterprise_linux | 7.0 | |
redhat | enterprise_linux_desktop | 7.0 | |
redhat | enterprise_linux_hpc_node | 7.0 | |
redhat | enterprise_linux_server | 7.0 | |
redhat | enterprise_linux_workstation | 7.0 | |
fedoraproject | 389_directory_server | 1.3.4.0 | |
fedoraproject | 389_directory_server | 1.3.4.1 | |
fedoraproject | 389_directory_server | 1.3.4.4 | |
fedoraproject | 389_directory_server | 1.3.4.5 |
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gsd-2016-0741
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
slapd/connection.c in 389 Directory Server (formerly Fedora Directory Server) 1.3.4.x before 1.3.4.7 allows remote attackers to cause a denial of service (infinite loop and connection blocking) by leveraging an abnormally closed connection.
Aliases
Aliases
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Sightings
Author | Source | Type | Date |
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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.