National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2017-18270 Detail

Current Description

In the Linux kernel before 4.13.5, a local user could create keyrings for other users via keyctl commands, setting unwanted defaults or causing a denial of service.

Source:  MITRE
Description Last Modified:  05/18/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.1 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H (V3 legend)
Impact Score: 5.2
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): None
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 3.6 LOW
Vector: (AV:L/AC:L/Au:N/C:N/I:P/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 3.9

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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=237bbd29f7a049d310d907f4b2716a7feef9abf3 Patch
http://www.securityfocus.com/bid/104254 Third Party Advisory VDB Entry
https://github.com/torvalds/linux/commit/237bbd29f7a049d310d907f4b2716a7feef9abf3 Patch
https://usn.ubuntu.com/3754-1/
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5 Release Notes

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-18270
NVD Published Date:
05/18/2018
NVD Last Modified:
08/24/2018