Oracle Communications Cloud Native Core Network Slice Selection Function Install/Upgrade denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Oracle Communications Cloud Native Core Network Slice Selection Function 23.2.0/23.3.1. It has been classified as critical. Impacted is an unknown function of the component Install/Upgrade. Performing a manipulation results in denial of service. This vulnerability is known as CVE-2023-44487. Remote exploitation of the attack is possible. Furthermore, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Oracle Communications Cloud Native Core Network Slice Selection Function 23.2.0/23.3.1 (Cloud Software). It has been classified as critical. This affects an unknown code block of the component Install/Upgrade. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was published 01/16/2024 as Oracle Critical Patch Update Advisory - January 2024. The advisory is shared at oracle.com. This vulnerability is uniquely identified as CVE-2023-44487. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The exploit is shared for download at exploit-db.com. It is declared as attacked. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 211529 (Oracle Linux 9 : grafana (ELSA-2024-9115)), which helps to determine the existence of the flaw in a target environment. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 10/10/2023 with a due date of 10/31/2023:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (52426), Tenable (211529) and CERT Bund (WID-SEC-2024-1228). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Red Hat Enterprise Linux
  • Red Hat OpenStack
  • IBM MQ
  • Red Hat OpenShift

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211529
Nessus Name: Oracle Linux 9 : grafana (ELSA-2024-9115)

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: github.com
Patch: cgit.freebsd.org

Timelineinfo

09/29/2023 🔍
01/16/2024 +109 days 🔍
01/16/2024 +0 days 🔍
01/17/2024 +1 days 🔍
08/13/2026 +939 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - January 2024
Status: Confirmed

CVE: CVE-2023-44487 (🔍)
GCVE (CVE): GCVE-0-2023-44487
GCVE (VulDB): GCVE-100-251025
CERT Bund: WID-SEC-2024-1228 - Red Hat OpenStack: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/17/2024 09:09
Updated: 08/13/2026 11:51
Changes: 01/17/2024 09:09 (39), 02/07/2024 19:05 (4), 02/07/2024 19:12 (11), 04/29/2024 17:07 (26), 05/23/2024 18:34 (1), 06/28/2024 06:24 (1), 08/02/2024 03:45 (10), 09/09/2024 22:30 (2), 11/20/2024 08:07 (2), 04/11/2025 23:50 (2), 04/14/2025 20:27 (1), 07/27/2025 06:11 (7), 09/24/2025 02:15 (3), 08/13/2026 11:51 (10)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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