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.

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.

389 Directory Server does not properly restrict access to entity attributes, which allows remote authenticated users to obtain sensitive information via a search query for the attribute.

In this version, a security bug -- modifying an entry specified by an invalid DN crashed the server and a Windows Sync bug were fixed;
logconv and setup-ds.pl scripts were enhanced.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

In this version, a security bug -- modifying an entry specified by an invalid DN crashed the server -- was fixed.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

It was discovered that the 389 Directory Server did not properly handle the receipt of certain MOD operations with a bogus Distinguished Name (DN). A remote, unauthenticated attacker could use this flaw to cause the 389 Directory Server to crash. (CVE-2013-4283)

After installing this update, the 389 server service will be restarted automatically.

Updated 389-ds-base packages that fix one security issue are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The 389 Directory Server is an LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.

It was discovered that the 389 Directory Server did not properly handle the receipt of certain MOD operations with a bogus Distinguished Name (DN). A remote, unauthenticated attacker could use this flaw to cause the 389 Directory Server to crash. (CVE-2013-4283)

All 389-ds-base users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue.
After installing this update, the 389 server service will be restarted automatically.

The remote Oracle Linux 6 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2013-1182 advisory.

    - Resolves: Bug 1000631 - CVE-2013-4283 389-ds-base: ns-slapd crash due to bogus DN -- retry

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
70227	Amazon Linux AMI : 389-ds-base (ALAS-2013-223)	Nessus	Amazon Linux Local Security Checks	medium
69537	Fedora 19 : 389-ds-base-1.3.1.7-1.fc19 (2013-15540)	Nessus	Fedora Local Security Checks	medium
69536	Fedora 18 : 389-ds-base-1.3.0.8-1.fc18 (2013-15518)	Nessus	Fedora Local Security Checks	medium
69504	Scientific Linux Security Update : 389-ds-base on SL6.x i386/x86_64 (20130828)	Nessus	Scientific Linux Local Security Checks	medium
69502	RHEL 6 : 389-ds-base (RHSA-2013:1182)	Nessus	Red Hat Local Security Checks	medium
69501	Oracle Linux 6 : 389-ds-base (ELSA-2013-1182)	Nessus	Oracle Linux Local Security Checks	high
69497	CentOS 6 : 389-ds-base (CESA-2013:1182)	Nessus	CentOS Local Security Checks	medium

Detections

Analytics

CVE-2013-4283

high

Tenable Plugins

medium

medium

medium

medium

medium

high

medium