VDB-242193 · CVE-2023-40377 · XFDB 263583

IBM Backup, Recovery, and Media Services for IBM i 7.2/7.3/7.4 Command Line privileges management

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.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in IBM Backup, Recovery, and Media Services for IBM i 7.2/7.3/7.4. It has been rated as critical. The affected element is an unknown function of the component Command Line. Performing a manipulation results in privileges management. This vulnerability was named CVE-2023-40377. The attack needs to be approached locally. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in IBM Backup, Recovery, and Media Services for IBM i 7.2/7.3/7.4 (Backup Software). This affects an unknown function of the component Command Line. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Backup, Recovery, and Media Services (BRMS) for IBM i 7.2, 7.3, and 7.4 contains a local privilege escalation vulnerability. A malicious actor with command line access to the host operating system can elevate privileges to gain component access to the host operating system. IBM X-Force ID: 263583.

The weakness was presented 10/16/2023. The advisory is shared at ibm.com. This vulnerability is uniquely identified as CVE-2023-40377 since 08/14/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (263583). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Backup Software

Vendor

Name

Backup, Recovery, and Media Services for IBM i

Version

License

commercial

Website

Vendor: https://www.ibm.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 4.9
CNA Vector (IBM Corporation): 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/14/2023 🔍
10/16/2023 +63 days 🔍
10/16/2023 +0 days 🔍
11/02/2023 +17 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2023-40377 (🔍)
GCVE (CVE): GCVE-0-2023-40377
GCVE (VulDB): GCVE-100-242193
X-Force: 263583

Entryinfo

Created: 10/16/2023 07:39
Updated: 11/02/2023 14:58
Changes: 10/16/2023 07:39 (51), 11/02/2023 14:58 (12)
Complete: 🔍
Cache ID: 216::103

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