Detections
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RHEL 7 : openldap (RHSA-2020:4041)
high Nessus Plugin ID 143072
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Synopsis
The remote Red Hat host is missing a security update for openldap.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:4041 advisory.OpenLDAP is an open-source suite of Lightweight Directory Access Protocol (LDAP) applications and development tools. LDAP is a set of protocols used to access and maintain distributed directory information services over an IP network. The openldap packages contain configuration files, libraries, and documentation for OpenLDAP.
Security Fix(es):
* openldap: denial of service via nested boolean expressions in LDAP search filters (CVE-2020-12243)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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.
Solution
Update the RHEL openldap package based on the guidance in RHSA-2020:4041.See Also
http://www.nessus.org/u?dd3afe18
http://www.nessus.org/u?fb9657ee
https://access.redhat.com/security/updates/classification/#moderate
Plugin Details
Severity: High
ID: 143072
File Name: redhat-RHSA-2020-4041.nasl
Version: 1.12
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 11/19/2020
Updated: 11/7/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
Vendor
Vendor Severity: Moderate
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.9
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2020-12243
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.7
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:openldap-devel, p-cpe:/a:redhat:enterprise_linux:openldap-clients, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:openldap-servers-sql, p-cpe:/a:redhat:enterprise_linux:openldap-servers, p-cpe:/a:redhat:enterprise_linux:openldap
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 9/29/2020
Vulnerability Publication Date: 4/28/2020
Reference Information
CVE: CVE-2020-12243