IBM MQ 9.3/9.4 LTS/CD Local DoS via Improper Memory Allocation
CVE-2024-40680 Published on September 7, 2024

IBM MQ denial of service
IBM MQ 9.3 CD and 9.4 LTS/CD could allow a local user to cause a denial of service due to improper memory allocation causing a segmentation fault.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2024-40680 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
HIGH

Weakness Type

What is a Stack Exhaustion Vulnerability?

The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated.

CVE-2024-40680 has been classified to as a Stack Exhaustion vulnerability or weakness.


Products Associated with CVE-2024-40680

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Affected Versions

IBM MQ Version 9.3 CD, 9.4 LTS, 9.4 CD is affected by CVE-2024-40680

Exploit Probability

EPSS
0.05%
Percentile
13.99%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.