Brocade Fabric OS < 9.1.1c/9.2.0 File Overwrite via less
CVE-2023-31926 Published on August 2, 2023
Arbitrary File Overwrite using less command
System files could be overwritten using the less command in Brocade Fabric OS before Brocade Fabric OS v9.1.1c and v9.2.0.
Vulnerability Analysis
CVE-2023-31926 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, a high impact on integrity and availability.
Weakness Types
Improper Preservation of Permissions
The software does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended.
Improper Initialization
The software does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. This can have security implications when the associated resource is expected to have certain properties or values, such as a variable that determines whether a user has been authenticated or not.
Products Associated with CVE-2023-31926
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Affected Versions
Brocade Fabric OS Version before Brocade Fabric OS v9.1.1c and v9.2.0 is affected by CVE-2023-31926Exploit Probability
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.