REDHAT-BUG-1456712: Double Free
First published: Tue May 30 2017(Updated: )
servers/slapd/back-mdb/search.c in OpenLDAP through 2.4.44 is prone to a double free vulnerability. A user with access to search the directory can crash slapd by issuing a search including the Paged Results control with a page size of 0. Upstream patch: <a href="https://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=commit;h=0cee1ffb6021b1aae3fcc9581699da1c85a6dd6e">https://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=commit;h=0cee1ffb6021b1aae3fcc9581699da1c85a6dd6e</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenLDAP | <=2.4.44 |
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Reference Links
- https://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=commit;h=0cee1ffb6021b1aae3fcc9581699da1c85a6dd6e
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1456713
- http://www.openldap.org/its/?findid=8655
- https://access.redhat.com/security/updates/classification/
- https://access.redhat.com/errata/RHSA-2017:1852
- https://bugzilla.redhat.com/show_bug.cgi?id=1456712
Frequently Asked Questions
What is the severity of REDHAT-BUG-1456712?
The severity of REDHAT-BUG-1456712 is categorized as high due to the potential for denial of service.
How do I fix REDHAT-BUG-1456712?
To fix REDHAT-BUG-1456712, update OpenLDAP to version 2.4.45 or later, which contains the necessary patches.
Who is affected by REDHAT-BUG-1456712?
Users with access to search the OpenLDAP directory prior to version 2.4.45 are affected by REDHAT-BUG-1456712.
What vulnerability does REDHAT-BUG-1456712 describe?
REDHAT-BUG-1456712 describes a double free vulnerability in OpenLDAP that can cause the slapd daemon to crash.
What conditions are required for REDHAT-BUG-1456712 to be exploited?
REDHAT-BUG-1456712 can be exploited by sending a search request with the Paged Results control and a page size of 0.
- agent/references
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2017-9287
- agent/severity
- agent/weakness
- agent/description
- agent/event
- agent/trending
- agent/source
- agent/tags
- agent/softwarecombine
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/openldap
- canonical/openldap