CVE-2016-2854

CVSS V2 Medium 4.6 CVSS V3 High 7.8
Description
The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.
Overview
  • CVE ID
  • CVE-2016-2854
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2016-05-02T10:59:34
  • Last Modified Date
  • 2020-08-07T19:53:06
Weakness Enumerations
CWE URL
CWE-269 http://cwe.mitre.org/data/definitions/269.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 3.0.0 3.19.8
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 4.0.0 4.20.15
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/ Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/24/9 Exploit Mailing List Third Party Advisory
https://sourceforge.net/p/aufs/mailman/message/34864744/ Third Party Advisory
http://www.securityfocus.com/bid/96838 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-2854
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2854
History
Created Old Value New Value Data Type Notes
2022-05-10 17:24:36 Added to TrackCVE
2022-12-02 09:17:09 2016-05-02T10:59Z 2016-05-02T10:59:34 CVE Published Date updated
2022-12-02 09:17:09 2020-08-07T19:53:06 CVE Modified Date updated
2022-12-02 09:17:09 Analyzed Vulnerability Status updated