CVE-2013-4485 Denial of service in n/a

Medium 4.0 Published 23 Nov 2013 Updated 6 Aug 2024

Remote authenticated users can crash the directory server by sending search requests with multiple @ characters in attribute lists.

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-2013-4485?

CVE-2013-4485 is a medium-severity denial of service vulnerability in Redhat Enterprise Linux, published on 23 Nov 2013. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

389 Directory Server 1.2.11.15 (aka Red Hat Directory Server before 8.2.11-14) allows remote authenticated users to cause a denial of service (crash) via multiple @ characters in a GER attribute list in a search request.

Weakness: CWE-20

Which versions are affected by CVE-2013-4485?

It affects 3 products.

Linux distribution packages (19)

`redhat-ds-base` Red Hat:directory_server:8::el5	All versions	`0:8.2.11-14.el5dsrv`
`redhat-ds-base-debuginfo` Red Hat:directory_server:8::el5	All versions	`0:8.2.11-14.el5dsrv`
`redhat-ds-base-devel` Red Hat:directory_server:8::el5	All versions	`0:8.2.11-14.el5dsrv`
`389-ds-base` Red Hat:enterprise_linux:6::client	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base-debuginfo` Red Hat:enterprise_linux:6::client	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base-devel` Red Hat:enterprise_linux:6::client	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base-libs` Red Hat:enterprise_linux:6::client	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base-debuginfo` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base-devel` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base-libs` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base` Red Hat:enterprise_linux:6::server	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base-devel` Red Hat:enterprise_linux:6::server	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base-libs` Red Hat:enterprise_linux:6::server	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base-debuginfo` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base-devel` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.2.11.15-30.el6_5`
`389-ds-base-libs` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.2.11.15-30.el6_5`

Products include Fedoraproject 389 Directory Server, Redhat Directory Server, Redhat Enterprise Linux.

How do I fix CVE-2013-4485?

Apply the vendor's patch.

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-2013-4485 being exploited?

There is no known exploitation of CVE-2013-4485 in the wild and no public exploit code.

All Redhat Enterprise Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-4485, GHSA-jhmx-jgjc-h9h7, MGASA-2013-0357, RHSA-2013:1752, RHSA-2013:1753.