VDB-240735 · CVE-2023-43040 · Nessus 212141

Ceph RGW Bucket rgw_rest_s3.cc get_params access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Ceph RGW. It has been classified as critical. Affected by this vulnerability is the function RGWPostObj_ObjStore_S3::get_params of the file rgw_rest_s3.cc of the component Bucket Handler. Performing a manipulation results in access control. This vulnerability is known as CVE-2023-43040. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Ceph RGW (unknown version). This affects the function RGWPostObj_ObjStore_S3::get_params of the file rgw_rest_s3.cc of the component Bucket Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

IBM Spectrum Fusion HCI 2.5.2 through 2.7.2 could allow an attacker to perform unauthorized actions in RGW for Ceph due to improper bucket access. IBM X-Force ID: 266807.

The weakness was published 09/27/2023. It is possible to read the advisory at seclists.org. This vulnerability is uniquely identified as CVE-2023-43040 since 09/15/2023. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 212141 (Debian dsa-5825 : ceph - security update), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at seclists.org.

The vulnerability is also documented in the vulnerability database at Tenable (212141). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Ceph

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 212141
Nessus Name: Debian dsa-5825 : ceph - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: seclists.org

Timelineinfo

09/15/2023 🔍
09/27/2023 +12 days 🔍
09/27/2023 +0 days 🔍
08/14/2025 +687 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-43040 (🔍)
GCVE (CVE): GCVE-0-2023-43040
GCVE (VulDB): GCVE-100-240735

Entryinfo

Created: 09/27/2023 22:01
Updated: 08/14/2025 22:13
Changes: 09/27/2023 22:01 (41), 12/07/2024 04:46 (17), 08/14/2025 22:13 (22)
Complete: 🔍
Cache ID: 216::103