Executive Summary

Informations
Name CVE-2016-2853 First vendor Publication 2016-05-02
Vendor Cve Last vendor Modification 2022-04-18

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:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.4 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

The aufs module for the Linux kernel 3.x and 4.x does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an aufs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2853

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-269 Improper Privilege Management

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 3274

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/96839
MISC http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/
MLIST http://www.openwall.com/lists/oss-security/2016/02/24/9
http://www.openwall.com/lists/oss-security/2021/10/18/1
https://sourceforge.net/p/aufs/mailman/message/34864744/

Alert History

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Date Informations
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2017-03-15 09:21:48
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2016-05-07 05:28:46
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2016-05-02 21:33:00
  • First insertion