Nomad 1.4.01.5.0 Deny Policy Bypass in Workload Vars Fixed in 1.4.6/1.5.1
CVE-2023-1296 Published on March 14, 2023
Nomad ACLs Can Not Deny Access to Workload's Own Variables
HashiCorp Nomad and Nomad Enterprise 1.4.0 up to 1.5.0 did not correctly enforce deny policies applied to a workloads variables. Fixed in 1.4.6 and 1.5.1.
Vulnerability Analysis
CVE-2023-1296 is exploitable with network access, and requires 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 a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
Incorrect Calculation
The software performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management. When software performs a security-critical calculation incorrectly, it might lead to incorrect resource allocations, incorrect privilege assignments, or failed comparisons among other things. Many of the direct results of an incorrect calculation can lead to even larger problems such as failed protection mechanisms or even arbitrary code execution.
Products Associated with CVE-2023-1296
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Affected Versions
HashiCorp Nomad:- Version 1.5.0 is affected.
- Version 1.4.0 and below 1.4.6 is affected.
- Version 1.5.0 is affected.
- Version 1.4.0 and below 1.4.6 is affected.
Exploit 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.