CVE-2016-6246

OpenBSD 5.8 and 5.9 allows certain local users with kern.usermount privileges to cause a denial of service (kernel panic) by mounting a tmpfs with a VNOVAL in the (1) username, (2) groupname, or (3) device name of the root node.

CVSS v3 4.4 MEDIUM
CVSS v2.0 4.9 MEDIUM

4.4^/10

CVSS v3 : MEDIUM

Vector : AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploitability : 0.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://www.openbsd.org/errata58.html	Release Notes
http://www.openbsd.org/errata59.html	Release Notes
http://www.openwall.com/lists/oss-security/2016/07/14/5	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/17/7	Exploit Mailing List Third Party Advisory
http://www.securityfocus.com/bid/91805

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:openbsd:openbsd:5.8:::::::*
	cpe:2.3:o:openbsd:openbsd:5.9:::::::*

History

No history.

Information

Published : 2017-03-07 16:59

Updated : 2023-12-10 12:01

NVD link : CVE-2016-6246

Mitre link : CVE-2016-6246

CVE.ORG link : CVE-2016-6246

JSON object : View

Products Affected

openbsd

openbsd

CWE

CWE-20

Improper Input Validation

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