Block getting help from network locations in restricted remoting session by TravisEz13 · Pull Request #20593 · PowerShell/PowerShell

TravisEz13 · 2023-10-27T18:23:55Z

PR Summary

Block getting help from network locations in restricted remoting session (JEA, exchange remoting, and similar custom remoting sessions)

PR Context

This was already released in the servicing releases.

This is mitigated if the restricted proxy is used for get-help or if the file system provider is hidden for the session, but not all customers implemented this way.

We have already documented that you should have these other protections in place to protect these scenarios:
https://learn.microsoft.com/en-us/powershell/scripting/dev-cross-plat/security/securing-restricted-sessions?view=powershell-7.3

Defense in depth security fix

Conflicts:

src/System.Management.Automation/engine/Utils.cs
test/tools/Modules/HelpersCommon/HelpersCommon.psd1
test/tools/Modules/HelpersCommon/HelpersCommon.psm1

PR Checklist

…ions Cherry picked from !27698 # Conflicts: # src/System.Management.Automation/engine/Utils.cs # test/tools/Modules/HelpersCommon/HelpersCommon.psd1 # test/tools/Modules/HelpersCommon/HelpersCommon.psm1

pull-request-quantifier-deprecated · 2023-10-27T18:24:35Z

This PR has 123 quantified lines of changes. In general, a change size of upto 200 lines is ideal for the best PR experience!

Quantification details

Label      : Medium
Size       : +110 -13
Percentile : 44.6%

Total files changed: 9

Change summary by file extension:
.cs : +15 -13
.resx : +3 -0
.ps1 : +30 -0
.psd1 : +1 -0
.psm1 : +61 -0

Change counts above are quantified counts, based on the PullRequestQuantifier customizations.

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How to interpret the change counts in git diff output

One line was added: +1 -0
One line was deleted: +0 -1
One line was modified: +1 -1 (git diff doesn't know about modified, it will
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Change percentiles: Change characteristics (addition, deletion, modification)
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TravisEz13 · 2023-10-31T18:18:26Z

            return false;
 #else
-            return path.StartsWith(@"\\.\") || path.StartsWith(@"\\?\");
+            // device paths can be network paths, we would need windows to parse it.


This had a merge conflict, I could not find a good reason why.

TravisEz13 · 2023-10-31T18:18:57Z

        'Test-PSDefaultParameterValue'
        'Push-DefaultParameterValueStack'
        'Pop-DefaultParameterValueStack'
+        'Get-HelpNetworkTestCases'


This had a merge conflict because this branch has new changes.

TravisEz13 · 2023-10-31T18:19:06Z

 		return $false
 	}
 }
+


This had a merge conflict because this branch has new changes.

…ions (#20593)

…ions (#20593) (#20615)

…ions (PowerShell#20593)

…owCommand Fixes issue introduced in PowerShell#20593

Block getting help from network locations in restricted remoting sess…

06d75ac

…ions Cherry picked from !27698 # Conflicts: # src/System.Management.Automation/engine/Utils.cs # test/tools/Modules/HelpersCommon/HelpersCommon.psd1 # test/tools/Modules/HelpersCommon/HelpersCommon.psm1

TravisEz13 added MustHave 7.4-Blocking Backport-7.4.x-Consider labels Oct 27, 2023

TravisEz13 requested review from adityapatwardhan, anmenaga and daxian-dbw as code owners October 27, 2023 18:23

pull-request-quantifier-deprecated Bot added the Medium label Oct 27, 2023

TravisEz13 commented Oct 31, 2023

View reviewed changes

adityapatwardhan approved these changes Oct 31, 2023

View reviewed changes

adityapatwardhan merged commit 687383b into PowerShell:master Oct 31, 2023

adityapatwardhan pushed a commit that referenced this pull request Oct 31, 2023

Block getting help from network locations in restricted remoting sess…

3d6e32e

…ions (#20593)

adityapatwardhan mentioned this pull request Oct 31, 2023

[release/v7.4.0] Block getting help from network locations in restricted remoting session #20615

Merged

adityapatwardhan added Backport-7.4.x-Approved and removed Backport-7.4.x-Consider labels Oct 31, 2023

adityapatwardhan added a commit that referenced this pull request Nov 1, 2023

Block getting help from network locations in restricted remoting sess…

d1fc83f

…ions (#20593) (#20615)

adityapatwardhan added CL-General Indicates that a PR should be marked as a general cmdlet change in the Change Log Backport-7.4.x-Done and removed Backport-7.4.x-Approved labels Nov 1, 2023

jborean93 mentioned this pull request Jul 9, 2024

Invoke-Command $using improvements #24025

Merged

21 tasks

chrisdent-de pushed a commit to chrisdent-de/PowerShell that referenced this pull request Sep 12, 2024

Block getting help from network locations in restricted remoting sess…

e8a4429

…ions (PowerShell#20593)

jshigetomi mentioned this pull request Jan 21, 2025

Fix backport issues with release pipeline #24835

Merged

21 tasks

daxian-dbw mentioned this pull request May 13, 2025

Show-Command crashes when clicking "Show Details" on a command #25556

Open

5 tasks

TravisEz13 added a commit to TravisEz13/PowerShell that referenced this pull request May 13, 2025

Add GetImportModuleCommand method and session restriction check in Sh…

8b92cb5

…owCommand Fixes issue introduced in PowerShell#20593

TravisEz13 mentioned this pull request May 13, 2025

Add GetImportModuleCommand method and session restriction check in ShowCommand #25557

Closed

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Block getting help from network locations in restricted remoting session#20593

Block getting help from network locations in restricted remoting session#20593
adityapatwardhan merged 1 commit into
PowerShell:masterfrom
TravisEz13:get-help-fix

TravisEz13 commented Oct 27, 2023 •

edited

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pull-request-quantifier-deprecated Bot commented Oct 27, 2023

What can I do to optimize my changes

How to interpret the change counts in git diff output

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TravisEz13 Oct 31, 2023

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TravisEz13 commented Oct 27, 2023 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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pull-request-quantifier-deprecated Bot commented Oct 27, 2023

What can I do to optimize my changes

How to interpret the change counts in git diff output

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TravisEz13 Oct 31, 2023

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TravisEz13 commented Oct 27, 2023 •

edited

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