In tar in BusyBox through 1.37.0, a TAR archive can have filenames hidden from a listing through the use of terminal escape sequences.
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI Analysis
Technical Summary
This vulnerability involves the tar utility in BusyBox through version 1.37.0, where terminal escape sequences embedded in filenames within a TAR archive can cause those filenames to be hidden from a listing output. This is a user interface issue classified under CWE-451, potentially misleading users about the contents of an archive. The vulnerability affects Microsoft and Azure Linux products as listed, but no CVSS score or detailed impact metrics are available. No vendor patch or official remediation guidance has been published yet.
Potential Impact
The impact is primarily related to the concealment of filenames in TAR archive listings, which may mislead users or automated tools about the actual contents of an archive. This could potentially be used to hide malicious files or evade detection during manual or automated inspection. There are no known exploits in the wild, and no further impact details are provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when handling TAR archives from untrusted sources and consider additional inspection methods beyond standard tar listings to verify archive contents.
In tar in BusyBox through 1.37.0, a TAR archive can have filenames hidden from a listing through the use of terminal escape sequences.
Description
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves the tar utility in BusyBox through version 1.37.0, where terminal escape sequences embedded in filenames within a TAR archive can cause those filenames to be hidden from a listing output. This is a user interface issue classified under CWE-451, potentially misleading users about the contents of an archive. The vulnerability affects Microsoft and Azure Linux products as listed, but no CVSS score or detailed impact metrics are available. No vendor patch or official remediation guidance has been published yet.
Potential Impact
The impact is primarily related to the concealment of filenames in TAR archive listings, which may mislead users or automated tools about the actual contents of an archive. This could potentially be used to hide malicious files or evade detection during manual or automated inspection. There are no known exploits in the wild, and no further impact details are provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when handling TAR archives from untrusted sources and consider additional inspection methods beyond standard tar listings to verify archive contents.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2025-46394
- Cve Count
- 1
Threat ID: 6a20984ee29bf47b50ebf80b
Added to database: 06/03/2026, 21:10:38 UTC
Last enriched: 06/03/2026, 21:19:30 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 32
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