389-ds-base up to 1.3.5.16/1.3.6.9 ns-slapd LDAP Bind Request null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in 389-ds-base up to 1.3.5.16/1.3.6.9 and classified as problematic. Affected by this issue is some unknown functionality of the component ns-slapd. The manipulation as part of LDAP Bind Request results in null pointer dereference. This vulnerability is reported as CVE-2017-2668. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in 389-ds-base up to 1.3.5.16/1.3.6.9. Affected is an unknown code of the component ns-slapd. The manipulation as part of a LDAP Bind Request leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

389-ds-base before versions 1.3.5.17 and 1.3.6.10 is vulnerable to an invalid pointer dereference in the way LDAP bind requests are handled. A remote unauthenticated attacker could use this flaw to make ns-slapd crash via a specially crafted LDAP bind request, resulting in denial of service.

The bug was discovered 06/22/2018. The weakness was disclosed 06/22/2018 as not defined bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability is traded as CVE-2017-2668 since 12/01/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 99300 (Scientific Linux Security Update : 389-ds-base on SL6.x i386/x86_64), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Scientific Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170647 (OpenSUSE Security Update for 389-ds (openSUSE-SU-2017:3362-1)).

Upgrading to version 1.3.5.17 or 1.3.6.10 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99300) and SecurityFocus (BID 97524†). The entries VDB-105393 and VDB-117212 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99300
Nessus Name: Scientific Linux Security Update : 389-ds-base on SL6.x i386/x86_64
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881932
OpenVAS Name: CentOS Update for 389-ds-base CESA-2017:0920 centos7
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: 389-ds-base 1.3.5.17/1.3.6.10

Timelineinfo

12/01/2016 🔍
04/10/2017 +130 days 🔍
04/11/2017 +1 days 🔍
04/12/2017 +1 days 🔍
06/22/2018 +435 days 🔍
06/22/2018 +0 days 🔍
06/22/2018 +0 days 🔍
06/23/2018 +1 days 🔍
03/28/2023 +1739 days 🔍

Sourcesinfo

Advisory: RHSA-2017:0893
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-2668 (🔍)
GCVE (CVE): GCVE-0-2017-2668
GCVE (VulDB): GCVE-100-119802
SecurityFocus: 97524 - Red Hat 389-ds-base CVE-2017-2668 Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 06/23/2018 08:35
Updated: 03/28/2023 14:48
Changes: 06/23/2018 08:35 (75), 02/21/2020 10:14 (4), 03/28/2023 14:44 (4), 03/28/2023 14:48 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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