Vulnerability Monitor

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CVE-2016-6240

Integer truncation error in the amap_alloc function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code with kernel privileges via a large size value.

Published

2017-03-07T16:59:00.430

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.8 (HIGH)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-189

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	openbsd	openbsd	5.8	Yes
Operating System	openbsd	openbsd	5.9	Yes

References

http://www.openbsd.org/errata58.html Release Notes ([email protected])
http://www.openbsd.org/errata59.html Release Notes ([email protected])
http://www.openwall.com/lists/oss-security/2016/07/14/5 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/07/17/7 Exploit, Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/91805 ([email protected])
http://www.securitytracker.com/id/1036318 ([email protected])
http://www.openbsd.org/errata58.html Release Notes (af854a3a-2127-422b-91ae-364da2661108)
http://www.openbsd.org/errata59.html Release Notes (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/07/14/5 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/07/17/7 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/91805 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1036318 (af854a3a-2127-422b-91ae-364da2661108)