389 Directory Server ldapsearch input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in 389 Directory Server. This affects an unknown part of the component ldapsearch. This manipulation causes input validation. This vulnerability is registered as CVE-2018-10935. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in 389 Directory Server (Directory Service Software) (affected version not known). Affected by this vulnerability is some unknown functionality of the component ldapsearch. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

A flaw was found in the 389 Directory Server that allows users to cause a crash in the LDAP server using ldapsearch with server side sort.

The bug was discovered 08/07/2018. The weakness was published 09/11/2018 as confirmed bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2018-10935 since 05/09/2018. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 112195 (Debian DLA-1483-1 : 389-ds-base security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351398 (Amazon Linux Security Advisory for 389-ds-base: ALAS-2018-1094).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (112195) and SecurityFocus (BID 102790†). Similar entries are available at VDB-113960, VDB-119500, VDB-121902 and VDB-123659. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Name

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: Input validation
CWE: CWE-20
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: 112195
Nessus Name: Debian DLA-1483-1 : 389-ds-base security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/22/2018 🔍
05/09/2018 +106 days 🔍
08/07/2018 +90 days 🔍
08/30/2018 +22 days 🔍
08/31/2018 +1 days 🔍
09/11/2018 +10 days 🔍
09/11/2018 +0 days 🔍
09/12/2018 +1 days 🔍
05/08/2023 +1699 days 🔍

Sourcesinfo

Advisory: RHSA-2018:2757
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10935 (🔍)
GCVE (CVE): GCVE-0-2018-10935
GCVE (VulDB): GCVE-100-123895
SecurityFocus: 102790 - Red Hat '389-ds-base' CVE-2017-15134 Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 09/12/2018 09:41
Updated: 05/08/2023 15:58
Changes: 09/12/2018 09:41 (73), 03/22/2020 19:46 (4), 05/08/2023 15:52 (4), 05/08/2023 15:58 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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