CVE-2016-6239

The mmap extension __MAP_NOFAULT in OpenBSD 5.8 and 5.9 allows attackers to cause a denial of service (kernel panic and crash) via a large size value.

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

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

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

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
http://www.securitytracker.com/id/1036318

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 : 2024-02-28 15:44

NVD link : CVE-2016-6239

Mitre link : CVE-2016-6239

CVE.ORG link : CVE-2016-6239

JSON object : View

Products Affected

openbsd

openbsd

CWE

CWE-20

Improper Input Validation

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