CVE-2013-4283 Denial of service in n/a

Medium 5.0 Published 10 Sep 2013 Updated 6 Aug 2024

Remote attackers can crash the 389 Directory Server by sending a crafted Distinguished Name in a modification request, causing denial of service.

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-2013-4283?

CVE-2013-4283 is a medium-severity denial of service vulnerability in n/a, published on 10 Sep 2013. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

ns-slapd in 389 Directory Server before 1.3.0.8 allows remote attackers to cause a denial of service (server crash) via a crafted Distinguished Name (DN) in a MOD operation request.

Weakness: CWE-20

Which versions are affected by CVE-2013-4283?

It affects 1 product.

Linux distribution packages (16)

`389-ds-base` Red Hat:enterprise_linux:6::client	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base-debuginfo` Red Hat:enterprise_linux:6::client	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base-devel` Red Hat:enterprise_linux:6::client	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base-libs` Red Hat:enterprise_linux:6::client	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base-debuginfo` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base-devel` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base-libs` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base` Red Hat:enterprise_linux:6::server	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base-devel` Red Hat:enterprise_linux:6::server	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base-libs` Red Hat:enterprise_linux:6::server	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base-debuginfo` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base-devel` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.2.11.15-22.el6_4`
`389-ds-base-libs` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.2.11.15-22.el6_4`

Products include Fedoraproject 389 Directory Server.

How do I fix CVE-2013-4283?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2013-4283 being exploited?

There is no known exploitation of CVE-2013-4283 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2013-4283, GHSA-w5qq-w4qc-mwpx, RHSA-2013:1182.