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CVE-2013-4449

Status Candidate

Overview

The rwm overlay in OpenLDAP 2.4.23, 2.4.36, and earlier does not properly count references, which allows remote attackers to cause a denial of service (slapd crash) by unbinding immediately after a search request, which triggers rwm_conn_destroy to free the session context while it is being used by rwm_op_search.

Related Files

Apple Security Advisory 2019-12-10-3
Posted Dec 12, 2019
Authored by Apple | Site apple.com

Apple Security Advisory 2019-12-10-3 - macOS Catalina 10.15.2, Security Update 2019-002 Mojave, Security Update 2019-007 High Sierra is now available and addresses buffer overflow, code execution, and denial of service vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, code execution
systems | apple
advisories | CVE-2012-1164, CVE-2012-2668, CVE-2013-4449, CVE-2015-1545, CVE-2017-16808, CVE-2018-10103, CVE-2018-10105, CVE-2018-14461, CVE-2018-14462, CVE-2018-14463, CVE-2018-14464, CVE-2018-14465, CVE-2018-14466, CVE-2018-14467, CVE-2018-14468, CVE-2018-14469, CVE-2018-14470, CVE-2018-14879, CVE-2018-14880, CVE-2018-14881, CVE-2018-14882, CVE-2018-16227, CVE-2018-16228, CVE-2018-16229, CVE-2018-16230, CVE-2018-16300, CVE-2018-16301
MD5 | dddf2d42c70f63769a92decc6f5f8dfa
Ubuntu Security Notice USN-2622-1
Posted May 26, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2622-1 - It was discovered that OpenLDAP incorrectly handled certain search queries that returned empty attributes. A remote attacker could use this issue to cause OpenLDAP to assert, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS. Michael Vishchers discovered that OpenLDAP improperly counted references when the rwm overlay was used. A remote attacker could use this issue to cause OpenLDAP to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2012-1164, CVE-2013-4449, CVE-2015-1545
MD5 | c0eadbf3f94c1d4bcafe5084ef36ac1c
Debian Security Advisory 3209-1
Posted Mar 31, 2015
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3209-1 - Multiple vulnerabilities were found in OpenLDAP, a free implementation of the Lightweight Directory Access Protocol.

tags | advisory, vulnerability, protocol
systems | linux, debian
advisories | CVE-2013-4449, CVE-2014-9713, CVE-2015-1545
MD5 | b5cbd317e7a03415e2fc3ace55384ad6
Red Hat Security Advisory 2014-0206-01
Posted Feb 25, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0206-01 - OpenLDAP is an open source suite of Lightweight Directory Access Protocol applications and development tools. LDAP is a set of protocols used to access and maintain distributed directory information services over an IP network. The openldap package contains configuration files, libraries, and documentation for OpenLDAP. A denial of service flaw was found in the way the OpenLDAP server daemon performed reference counting when using the rwm overlay. A remote attacker able to query the OpenLDAP server could use this flaw to crash the server by immediately unbinding from the server after sending a search request.

tags | advisory, remote, denial of service, protocol
systems | linux, redhat
advisories | CVE-2013-4449
MD5 | 970ae9980d83f7b6ecdef14d217d2178
Mandriva Linux Security Advisory 2014-026
Posted Feb 13, 2014
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2014-026 - The rwm overlay in OpenLDAP 2.4.23, 2.4.36, and earlier does not properly count references, which allows remote attackers to cause a denial of service by unbinding immediately after a search request, which triggers rwm_conn_destroy to free the session context while it is being used by rwm_op_search. The updated packages have been patched to correct this issue.

tags | advisory, remote, denial of service
systems | linux, mandriva
advisories | CVE-2013-4449
MD5 | aa1b3aab91cacf517d47b5179485cef6
Red Hat Security Advisory 2014-0126-01
Posted Feb 3, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0126-01 - OpenLDAP is an open source suite of Lightweight Directory Access Protocol applications and development tools. LDAP is a set of protocols used to access and maintain distributed directory information services over an IP network. The openldap package contains configuration files, libraries, and documentation for OpenLDAP. A denial of service flaw was found in the way the OpenLDAP server daemon performed reference counting when using the rwm overlay. A remote attacker able to query the OpenLDAP server could use this flaw to crash the server by immediately unbinding from the server after sending a search request.

tags | advisory, remote, denial of service, protocol
systems | linux, redhat
advisories | CVE-2013-4449
MD5 | 2346fe1d535fd2a18148f06ac8815415
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