fix:[PLG-590] NPE fix for CS and R7 vulnerability policy

ershad-paladin commented 1 month ago

Description

fixes the NPE when there are no vulnerbilities for a particular severity

Problem

Solution

Fixes # (issue if any)

Type of change

Please delete options that are not relevant.

[X] Bug fix (non-breaking change which fixes an issue)
[ ] New feature (non-breaking change which adds functionality)
[ ] Chore (no code changes)
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
[ ] This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

[x] Run the policy executor with out this fix and replicate the issue
[x] Run the policy executor after this fix and verify there are no errors

Checklist:

[ ] My code follows the style guidelines of this project
[ ] My commit message/PR follows the contribution guidelines of this project
[ ] I have performed a self-review of my code
[ ] I have commented my code, particularly in hard-to-understand areas
[ ] I have added tests that prove my fix is effective or that my feature works
[ ] New and existing unit tests pass locally with my changes

Other Information:

List any documentation updates that are needed for the Wiki

Summary by CodeRabbit

Bug Fixes
- Added a null check to prevent potential crashes when fetching vulnerability details, enhancing overall stability.

coderabbitai[bot] commented 1 month ago

Walkthrough

The recent update adds a safeguard in the form of a null check for cveDetails in the getVMVulnerabilityDetails method within the AssetTypeGroupedVulnerabilitiesRule.java file. This preventive measure ensures that the method does not attempt to iterate over a potentially null collection, thus avoiding null pointer exceptions and improving the overall stability and robustness of the code.

Changes

File	Change Summary
`.../AssetTypeGroupedVulnerabilitiesRule.java`	Added a null check before iterating over `cveDetails` in the `getVMVulnerabilityDetails` method.

Poem

In code so deep, a check was placed,
To guard against a null embrace.
No pointers now will cause dismay,
For bugs and crashes kept at bay.
The rule stands strong, with safety clear,
Robust and stable code is here!
🐇💻✨

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