Microsoft Knack 0.12.0 allows Regular expression Denial of Service (ReDoS) in the knack.introspection module. option_descriptions employs an inefficient regular expression pattern: "\s(:param)\s+(.+?)\s:(.*)" that is susceptible to catastrophic backtracking when processing crafted docstrings containing a large volume of whitespace without a terminating colon. An attacker who can control or inject docstring content into affected applications can trigger excessive CPU consumption. This software is used by Azure CLI.
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Affected Vendors & Products
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History
Thu, 21 Aug 2025 15:45:00 +0000
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Description | Microsoft Knack 0.12.0 allows Regular expression Denial of Service (ReDoS) in the knack.introspection module (issue 2 of 2). | Microsoft Knack 0.12.0 allows Regular expression Denial of Service (ReDoS) in the knack.introspection module. option_descriptions employs an inefficient regular expression pattern: "\s(:param)\s+(.+?)\s:(.*)" that is susceptible to catastrophic backtracking when processing crafted docstrings containing a large volume of whitespace without a terminating colon. An attacker who can control or inject docstring content into affected applications can trigger excessive CPU consumption. This software is used by Azure CLI. |
Thu, 21 Aug 2025 13:00:00 +0000
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First Time appeared |
Microsoft
Microsoft knack |
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Vendors & Products |
Microsoft
Microsoft knack |
Wed, 20 Aug 2025 14:15:00 +0000
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ssvc
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Wed, 20 Aug 2025 03:00:00 +0000
Type | Values Removed | Values Added |
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Description | Microsoft Knack 0.12.0 allows Regular expression Denial of Service (ReDoS) in the knack.introspection module (issue 2 of 2). | |
Weaknesses | CWE-1333 | |
References |
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Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: mitre
Published: 2025-08-20T00:00:00.000Z
Updated: 2025-08-21T15:39:18.264Z
Reserved: 2025-07-21T00:00:00.000Z
Link: CVE-2025-54364

Updated: 2025-08-20T13:33:47.413Z

Status : Awaiting Analysis
Published: 2025-08-20T03:15:35.443
Modified: 2025-08-21T16:15:33.880
Link: CVE-2025-54364

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