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Title: C#: Make `StartsWith` and `EndsWith` sanitizers on normalized paths by MathiasVP · Pull Request #106 · microsoft/codeql · GitHub

Open Graph Title: C#: Make `StartsWith` and `EndsWith` sanitizers on normalized paths by MathiasVP · Pull Request #106 · microsoft/codeql

X Title: C#: Make `StartsWith` and `EndsWith` sanitizers on normalized paths by MathiasVP · Pull Request #106 · microsoft/codeql

Description: CodeQL: the libraries and queries that power security researchers around the world, as well as code scanning in GitHub Advanced Security - C#: Make `StartsWith` and `EndsWith` sanitizers on normalized paths by MathiasVP · Pull Request #106 · microsoft/codeql

Open Graph Description: The current cs/path-injection query explicitly disables String.StartsWith and String.EndsWith as sanitizers. Presumably because a prefix check such as path.StartsWith("C:/Foo") doesn'...

X Description: The current cs/path-injection query explicitly disables String.StartsWith and String.EndsWith as sanitizers. Presumably because a prefix check such as path.StartsWith("C:/Foo") do...

Opengraph URL: https://github.com/microsoft/codeql/pull/106

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C#: Make StartsWith and EndsWith sanitizers on normalized pathshttps://github.com/microsoft/codeql/pull/106#top
Mathias Vorreiter Pedersen (MathiasVP)https://github.com/MathiasVP
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Mathias Vorreiter Pedersen (MathiasVP)https://github.com/MathiasVP
Oct 1, 2024https://github.com/microsoft/codeql/pull/106#issue-2558989534
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October 1, 2024 12:26https://github.com/microsoft/codeql/pull/106#commits-pushed-864bde2
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C#: Add a FP testcase.https://github.com/microsoft/codeql/pull/106/commits/864bde242f95fc802c822c02430331b00f9427fa
864bde2https://github.com/microsoft/codeql/pull/106/commits/864bde242f95fc802c822c02430331b00f9427fa
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C#: Add a flow state to represent whether the path is normalized.https://github.com/microsoft/codeql/pull/106/commits/9457e5305e229c03fc21f9e2ad136dd85917a830
9457e53https://github.com/microsoft/codeql/pull/106/commits/9457e5305e229c03fc21f9e2ad136dd85917a830
https://github.com/MathiasVP
C#: Allow 'StartsWith' and 'EndsWith' to be barriers when the path is…https://github.com/microsoft/codeql/pull/106/commits/89bdcfb53dc6684b5193ff15c557880cb0bc0cef
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C#: Accept test changes.https://github.com/microsoft/codeql/pull/106/commits/758196ed8d3f7d4ee0687c324efef50342139b94
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Oct 2, 2024https://github.com/microsoft/codeql/pull/106#event-14490981638
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Jan 9, 2025 https://github.com/microsoft/codeql/pull/106#ref-commit-6a1e814
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May 27, 2025 https://github.com/microsoft/codeql/pull/106#ref-pullrequest-3094726988
C#: Fix FPs (and a small FN) in cs/path-injection #237 https://github.com/microsoft/codeql/pull/237
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