Executive Summary

Informations
Name CVE-2021-3847 First vendor Publication 2022-04-01
Vendor Cve Last vendor Modification 2022-04-11

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An unauthorized access to the execution of the setuid file with capabilities flaw in the Linux kernel OverlayFS subsystem was found in the way user copying a capable file from a nosuid mount into another mount. A local user could use this flaw to escalate their privileges on the system.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3847

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-281 Improper Preservation of Permissions

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 7
Os 1
Os 3469

Sources (Detail)

Source Url
MISC https://bugzilla.redhat.com/show_bug.cgi?id=2009704
https://www.openwall.com/lists/oss-security/2021/10/14/3

Alert History

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Date Informations
2024-03-12 13:18:59
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2024-02-02 02:27:55
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2024-02-01 12:24:37
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2024-01-12 02:20:34
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2023-12-29 02:18:36
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2023-11-22 02:17:59
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2023-09-29 13:12:40
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2023-09-05 13:22:19
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2023-09-05 01:24:07
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2023-09-02 13:20:43
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2023-09-02 01:24:29
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2023-08-12 13:26:47
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2023-08-12 01:23:42
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2023-08-11 13:19:03
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2023-08-11 01:24:30
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2023-08-06 13:16:59
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2023-08-06 01:23:26
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2023-08-04 13:17:23
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2023-08-04 01:23:47
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2023-07-14 13:17:27
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2023-07-14 01:23:35
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2023-06-06 13:09:28
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2023-05-17 13:03:02
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2023-04-13 02:07:30
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2023-04-07 13:04:34
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2023-03-29 02:19:33
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2023-03-28 12:23:48
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2023-03-25 02:07:20
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2023-01-25 02:07:32
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2023-01-20 02:07:03
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2022-12-17 02:05:31
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2022-10-11 13:09:03
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2022-10-11 01:23:14
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2022-09-09 02:07:07
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2022-06-24 02:00:54
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2022-06-23 02:00:14
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2022-05-12 01:58:30
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2022-04-12 00:23:03
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2022-04-02 09:22:51
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2022-04-02 05:22:56
  • First insertion