SchedMD Slurm up to 22.05.10/23.02.6 sbcast Subsystem 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.
6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in SchedMD Slurm up to 22.05.10/23.02.6. It has been declared as critical. This issue affects some unknown processing of the component sbcast Subsystem. Such manipulation leads to access control. This vulnerability is listed as CVE-2023-49938. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in SchedMD Slurm up to 22.05.10/23.02.6. Affected by this issue is some unknown processing of the component sbcast Subsystem. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in SchedMD Slurm 22.05.x and 23.02.x. There is Incorrect Access Control: an attacker can modified their extended group list that is used with the sbcast subsystem, and open files with an unauthorized set of extended groups. The fixed versions are 22.05.11 and 23.02.7.

The weakness was presented 12/14/2023. The advisory is shared for download at lists.schedmd.com. This vulnerability is handled as CVE-2023-49938 since 12/03/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 22.05.11 or 23.02.7 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 8.2
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Slurm 22.05.11/23.02.7

Timelineinfo

12/03/2023 🔍
12/14/2023 +11 days 🔍
12/14/2023 +0 days 🔍
01/10/2024 +27 days 🔍

Sourcesinfo

Advisory: FEDORA-2023-540de58d84
Status: Confirmed

CVE: CVE-2023-49938 (🔍)
GCVE (CVE): GCVE-0-2023-49938
GCVE (VulDB): GCVE-100-247988

Entryinfo

Created: 12/14/2023 07:48
Updated: 01/10/2024 15:06
Changes: 12/14/2023 07:48 (40), 01/10/2024 15:02 (1), 01/10/2024 15:06 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!