CVE-2017-9287 Use after free in n/a
An authenticated user can crash the OpenLDAP server by sending a specific search request with a zero page size, causing a double free error.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-9287?
CVE-2017-9287 is a medium-severity use after free vulnerability in Debian Debian Linux, published on 29 May 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-415
Which versions are affected by CVE-2017-9287?
It affects 10 products.
Linux distribution packages (29)
openldap Red Hat:enterprise_linux:7::client | All versions | 0:2.4.44-5.el7 |
openldap-clients Red Hat:enterprise_linux:7::client | All versions | 0:2.4.44-5.el7 |
openldap-debuginfo Red Hat:enterprise_linux:7::client | All versions | 0:2.4.44-5.el7 |
openldap-devel Red Hat:enterprise_linux:7::client | All versions | 0:2.4.44-5.el7 |
openldap-servers Red Hat:enterprise_linux:7::client | All versions | 0:2.4.44-5.el7 |
openldap-servers-sql Red Hat:enterprise_linux:7::client | All versions | 0:2.4.44-5.el7 |
openldap Red Hat:enterprise_linux:7::computenode | All versions | 0:2.4.44-5.el7 |
openldap-clients Red Hat:enterprise_linux:7::computenode | All versions | 0:2.4.44-5.el7 |
openldap-debuginfo Red Hat:enterprise_linux:7::computenode | All versions | 0:2.4.44-5.el7 |
openldap-devel Red Hat:enterprise_linux:7::computenode | All versions | 0:2.4.44-5.el7 |
openldap-servers Red Hat:enterprise_linux:7::computenode | All versions | 0:2.4.44-5.el7 |
openldap-servers-sql Red Hat:enterprise_linux:7::computenode | All versions | 0:2.4.44-5.el7 |
openldap Red Hat:enterprise_linux:7::server | All versions | 0:2.4.44-5.el7 |
openldap-clients Red Hat:enterprise_linux:7::server | All versions | 0:2.4.44-5.el7 |
openldap-debuginfo Red Hat:enterprise_linux:7::server | All versions | 0:2.4.44-5.el7 |
openldap-devel Red Hat:enterprise_linux:7::server | All versions | 0:2.4.44-5.el7 |
openldap-servers Red Hat:enterprise_linux:7::server | All versions | 0:2.4.44-5.el7 |
openldap-servers-sql Red Hat:enterprise_linux:7::server | All versions | 0:2.4.44-5.el7 |
openldap Red Hat:enterprise_linux:7::workstation | All versions | 0:2.4.44-5.el7 |
openldap-clients Red Hat:enterprise_linux:7::workstation | All versions | 0:2.4.44-5.el7 |
openldap-debuginfo Red Hat:enterprise_linux:7::workstation | All versions | 0:2.4.44-5.el7 |
openldap-devel Red Hat:enterprise_linux:7::workstation | All versions | 0:2.4.44-5.el7 |
openldap-servers Red Hat:enterprise_linux:7::workstation | All versions | 0:2.4.44-5.el7 |
openldap-servers-sql Red Hat:enterprise_linux:7::workstation | All versions | 0:2.4.44-5.el7 |
openldap2 SUSE:Linux Enterprise Desktop 12 SP2 | All versions | 2.4.41-18.29.1 |
openldap2 SUSE:Linux Enterprise Server 12 SP2 | All versions | 2.4.41-18.29.1 |
openldap2 SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2 | All versions | 2.4.41-18.29.1 |
openldap2 SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | All versions | 2.4.41-18.29.1 |
openldap2 SUSE:Linux Enterprise Software Development Kit 12 SP2 | All versions | 2.4.41-18.29.1 |
Products include Debian Debian Linux, Mcafee Policy Auditor, Openldap Openldap, Oracle Blockchain Platform, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus and 4 more.
How do I fix CVE-2017-9287?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2017-9287 being exploited?
There is no known exploitation of CVE-2017-9287 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2017-9287, CLEANSTART-2026-ZU90005, DEBIAN-CVE-2017-9287, DLA-972-1, DSA-3868-1, GHSA-rf87-xm6q-rwxc and 5 more.