National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-6559 Detail

Current Description

The Linux kernel, as used in Ubuntu 18.04 LTS and Ubuntu 18.10, allows local users to obtain names of files in which they would not normally be able to access via an overlayfs mount inside of a user namespace.

Source:  MITRE
Description Last Modified:  10/26/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 3.3 LOW
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N (V3 legend)
Impact Score: 1.4
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/105752 Third Party Advisory VDB Entry
https://launchpad.net/bugs/1793458 Exploit Issue Tracking Third Party Advisory
https://lists.ubuntu.com/archives/kernel-team/2018-October/096172.html Third Party Advisory
https://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-6559.html Third Party Advisory
https://usn.ubuntu.com/3832-1/ Third Party Advisory
https://usn.ubuntu.com/3833-1/ Third Party Advisory
https://usn.ubuntu.com/3835-1/ Third Party Advisory
https://usn.ubuntu.com/3836-1/ Third Party Advisory
https://usn.ubuntu.com/3836-2/ Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-6559
NVD Published Date:
10/26/2018
NVD Last Modified:
12/06/2018