ID CVE-2018-14624 Type cve Reporter cve@mitre.org Modified 2019-05-15T21:29:00
Description
A vulnerability was discovered in 389-ds-base through versions 1.3.7.10, 1.3.8.8 and 1.4.0.16. The lock controlling the error log was not correctly used when re-opening the log file in log__error_emergency(). An attacker could send a flood of modifications to a very large DN, which would cause slapd to crash.
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The lock controlling the error log was not correctly used when re-opening the log file in log__error_emergency(). An attacker could send a flood of modifications to a very large DN, which would cause slapd to crash.([CVE-2018-14624 __](<https://access.redhat.com/security/cve/CVE-2018-14624>))\n\nA race condition was found in the way 389-ds-base handles persistent search, resulting in a crash if the server is under load. An anonymous attacker could use this flaw to trigger a denial of service.([CVE-2018-10850 __](<https://access.redhat.com/security/cve/CVE-2018-10850>))\n\nA double-free of a password policy structure was found in the way slapd was handling certain errors during persistent search. A unauthenticated attacker could use this flaw to crash Directory Server.([CVE-2018-14638 __](<https://access.redhat.com/security/cve/CVE-2018-14638>))\n\nA flaw was found in the 389 Directory Server that allows users to cause a crash in the LDAP server using ldapsearch with server side sort.([CVE-2018-10935 __](<https://access.redhat.com/security/cve/CVE-2018-10935>))\n\n \n**Affected Packages:** \n\n\n389-ds-base\n\n \n**Issue Correction:** \nRun _yum update 389-ds-base_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n i686: \n 389-ds-base-1.3.7.5-28.amzn2.0.1.i686 \n 389-ds-base-libs-1.3.7.5-28.amzn2.0.1.i686 \n 389-ds-base-devel-1.3.7.5-28.amzn2.0.1.i686 \n 389-ds-base-snmp-1.3.7.5-28.amzn2.0.1.i686 \n 389-ds-base-debuginfo-1.3.7.5-28.amzn2.0.1.i686 \n \n src: \n 389-ds-base-1.3.7.5-28.amzn2.0.1.src \n \n x86_64: \n 389-ds-base-1.3.7.5-28.amzn2.0.1.x86_64 \n 389-ds-base-libs-1.3.7.5-28.amzn2.0.1.x86_64 \n 389-ds-base-devel-1.3.7.5-28.amzn2.0.1.x86_64 \n 389-ds-base-snmp-1.3.7.5-28.amzn2.0.1.x86_64 \n 389-ds-base-debuginfo-1.3.7.5-28.amzn2.0.1.x86_64 \n \n \n", "edition": 1, "modified": "2018-10-24T16:34:00", "published": "2018-10-24T16:34:00", "id": "ALAS2-2018-1094", "href": "https://alas.aws.amazon.com/AL2/ALAS-2018-1094.html", "title": "Medium: 389-ds-base", "type": "amazon", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2020-11-10T12:35:40", "bulletinFamily": "unix", "cvelist": ["CVE-2018-14624", "CVE-2018-10935", "CVE-2018-10850", "CVE-2018-14638"], "description": "**Issue Overview:**\n\nA vulnerability was discovered in 389-ds-base. The lock controlling the error log was not correctly used when re-opening the log file in log__error_emergency(). An attacker could send a flood of modifications to a very large DN, which would cause slapd to crash.([CVE-2018-14624 __](<https://access.redhat.com/security/cve/CVE-2018-14624>))\n\nA race condition was found in the way 389-ds-base handles persistent search, resulting in a crash if the server is under load. An anonymous attacker could use this flaw to trigger a denial of service.([CVE-2018-10850 __](<https://access.redhat.com/security/cve/CVE-2018-10850>))\n\nA double-free of a password policy structure was found in the way slapd was handling certain errors during persistent search. 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The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.\n\nSecurity Fix(es):\n\n* 389-ds-base: race condition on reference counter leads to DoS using persistent search (CVE-2018-10850)\n\n* 389-ds-base: ldapsearch with server side sort allows users to cause a crash (CVE-2018-10935)\n\n* 389-ds-base: Server crash through modify command with large DN (CVE-2018-14624)\n\n* 389-ds-base: Crash in delete_passwdPolicy when persistent search connections are terminated unexpectedly (CVE-2018-14638)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.\n\nThe CVE-2018-10850 issue was discovered by Thierry Bordaz (Red Hat) and the CVE-2018-14638 issue was discovered by Viktor Ashirov (Red Hat).\n\nBug Fix(es):\n\n* Previously, the nucn-stans framework was enabled by default in Directory Server, but the framework is not stable. As a consequence, deadlocks and file descriptor leaks could occur. This update changes the default value of the nsslapd-enable-nunc-stans parameter to \"off\". As a result, Directory Server is now stable. (BZ#1614836)\n\n* When a search evaluates the \"shadowAccount\" entry, Directory Server adds the shadow attributes to the entry. If the fine-grained password policy is enabled, the \"shadowAccount\" entry can contain its own \"pwdpolicysubentry\" policy attribute. Previously, to retrieve this attribute, the server started an internal search for each \"shadowAccount\" entry, which was unnecessary because the entry was already known to the server. With this update, Directory Server only starts internal searches if the entry is not known. As a result, the performance of searches, such as response time and throughput, is improved. (BZ#1615924)", "modified": "2018-09-25T21:57:21", "published": "2018-09-25T21:29:10", "id": "RHSA-2018:2757", "href": "https://access.redhat.com/errata/RHSA-2018:2757", "type": "redhat", "title": "(RHSA-2018:2757) Moderate: 389-ds-base security and bug fix update", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}], "centos": [{"lastseen": "2020-12-08T03:36:31", "bulletinFamily": "unix", "cvelist": ["CVE-2018-14624", "CVE-2018-10935", "CVE-2018-10850", "CVE-2018-14638"], "description": "**CentOS Errata and Security Advisory** CESA-2018:2757\n\n\n389 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.\n\nSecurity Fix(es):\n\n* 389-ds-base: race condition on reference counter leads to DoS using persistent search (CVE-2018-10850)\n\n* 389-ds-base: ldapsearch with server side sort allows users to cause a crash (CVE-2018-10935)\n\n* 389-ds-base: Server crash through modify command with large DN (CVE-2018-14624)\n\n* 389-ds-base: Crash in delete_passwdPolicy when persistent search connections are terminated unexpectedly (CVE-2018-14638)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.\n\nThe CVE-2018-10850 issue was discovered by Thierry Bordaz (Red Hat) and the CVE-2018-14638 issue was discovered by Viktor Ashirov (Red Hat).\n\nBug Fix(es):\n\n* Previously, the nucn-stans framework was enabled by default in Directory Server, but the framework is not stable. As a consequence, deadlocks and file descriptor leaks could occur. This update changes the default value of the nsslapd-enable-nunc-stans parameter to \"off\". As a result, Directory Server is now stable. (BZ#1614836)\n\n* When a search evaluates the \"shadowAccount\" entry, Directory Server adds the shadow attributes to the entry. If the fine-grained password policy is enabled, the \"shadowAccount\" entry can contain its own \"pwdpolicysubentry\" policy attribute. Previously, to retrieve this attribute, the server started an internal search for each \"shadowAccount\" entry, which was unnecessary because the entry was already known to the server. With this update, Directory Server only starts internal searches if the entry is not known. As a result, the performance of searches, such as response time and throughput, is improved. (BZ#1615924)\n\n**Merged security bulletin from advisories:**\nhttp://lists.centos.org/pipermail/centos-announce/2018-September/035080.html\n\n**Affected packages:**\n389-ds-base\n389-ds-base-devel\n389-ds-base-libs\n389-ds-base-snmp\n\n**Upstream details at:**\n", "edition": 4, "modified": "2018-09-28T16:44:30", "published": "2018-09-28T16:44:30", "id": "CESA-2018:2757", "href": "http://lists.centos.org/pipermail/centos-announce/2018-September/035080.html", "title": "389 security update", "type": "centos", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}], "oraclelinux": [{"lastseen": "2019-05-29T18:38:47", "bulletinFamily": "unix", "cvelist": ["CVE-2018-14624", "CVE-2018-10935", "CVE-2018-10850", "CVE-2018-14638"], "description": "[1.3.7.5-28]\n- Bump version to 1.3.7.5-28\n- Resolves: Bug 1628676 - 389-ds-base: race condition on reference counter leads to DoS using persistent search\n- Resolves: Bug 1628677 - Crash in delete_passwdPolicy when persistent search connections are terminated unexpectedly\n[1.3.7.5-27]\n- Bump version to 1.3.7.5-27\n- Resolves: Bug 1623247 - Crash in vslapd_log_emergency_error\n[1.3.7.5-26]\n- Bump version to 1.3.7.5-26\n- Resolves: Bug 1615924 - Fine grained password policy can impact search performance\n- Resolves: Bug 1614836 - Disable nunc-stans by default\n- Resolves: Bug 1614861 - ldapsearch with server side sort crashes the ldap server", "edition": 3, "modified": "2018-09-25T00:00:00", "published": "2018-09-25T00:00:00", "id": "ELSA-2018-2757", "href": "http://linux.oracle.com/errata/ELSA-2018-2757.html", "title": "389-ds-base security and bug fix update", "type": "oraclelinux", "cvss": {"score": 7.1, "vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C"}}], "suse": [{"lastseen": "2019-05-15T22:20:31", "bulletinFamily": "unix", "cvelist": ["CVE-2017-15135", "CVE-2018-14624", "CVE-2018-10935", "CVE-2017-15134", "CVE-2018-10850"], "description": "This update for 389-ds fixes the following issues:\n\n The following security vulnerabilities were addressed:\n\n - CVE-2018-10850: Fixed a race condition on reference counter that would\n lead to a denial of service using persistent search (bsc#1096368)\n - CVE-2017-15134: Fixed a remote denial of service via search filters in\n slapi_filter_sprintf in slapd/util.c (bsc#1076530)\n - CVE-2017-15135: Fixed authentication bypass due to lack of size check in\n slapi_ct_memcmp function in ch_malloc.c (bsc#1076530)\n - CVE-2018-10935: Fixed an issue that allowed users to cause a crash via\n ldapsearch with server side sorts (bsc#1105606)\n - CVE-2018-14624: The lock controlling the error log was not correctly\n used when re-opening the log file in log__error_emergency(), allowing an\n attacker to send a flood of modifications to a very large DN, which\n could have caused slapd to crash (bsc#1106699).\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n", "edition": 1, "modified": "2019-05-15T21:08:54", "published": "2019-05-15T21:08:54", "id": "OPENSUSE-SU-2019:1397-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00033.html", "title": "Security update for 389-ds (important)", "type": "suse", "cvss": {"score": 7.1, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:NONE/I:NONE/A:COMPLETE/"}}]}
