Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2023-2953

A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x() function.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 16 products from openldap, from redhat, from apple and 13 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2023-05-30T22:15:10.613

Last Modified

2025-01-10T22:15:23.557

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses

Type: Secondary
CWE-476
Type: Secondary
CWE-476
Type: Secondary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openldap	openldap	2.4	Yes
Operating System	redhat	enterprise_linux	8.0	Yes
Operating System	redhat	enterprise_linux	9.0	Yes
Operating System	apple	macos	< 11.7.9	Yes
Operating System	apple	macos	< 12.6.8	Yes
Operating System	apple	macos	< 13.5	Yes
Application	netapp	active_iq_unified_manager	-	Yes
Application	netapp	clustered_data_ontap	-	Yes
Application	netapp	ontap_tools	-	Yes
Operating System	netapp	h300s_firmware	-	Yes
Hardware	netapp	h300s	-	No
Operating System	netapp	h500s_firmware	-	Yes
Hardware	netapp	h500s	-	No
Operating System	netapp	h700s_firmware	-	Yes
Hardware	netapp	h700s	-	No
Operating System	netapp	h410s_firmware	-	Yes
Hardware	netapp	h410s	-	No
Operating System	netapp	h410c_firmware	-	Yes
Hardware	netapp	h410c	-	No

References

http://seclists.org/fulldisclosure/2023/Jul/47 Mailing List ([email protected])
http://seclists.org/fulldisclosure/2023/Jul/48 Mailing List ([email protected])
http://seclists.org/fulldisclosure/2023/Jul/52 Mailing List ([email protected])
https://access.redhat.com/security/cve/CVE-2023-2953 Third Party Advisory ([email protected])
https://bugs.openldap.org/show_bug.cgi?id=9904 Issue Tracking, Vendor Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20230703-0005/ Third Party Advisory ([email protected])
https://support.apple.com/kb/HT213843 Third Party Advisory ([email protected])
https://support.apple.com/kb/HT213844 Third Party Advisory ([email protected])
https://support.apple.com/kb/HT213845 Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2023/Jul/47 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2023/Jul/48 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2023/Jul/52 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/security/cve/CVE-2023-2953 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.openldap.org/show_bug.cgi?id=9904 Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20230703-0005/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT213843 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT213844 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT213845 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For openldap's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.