High severity · published Mar 7, 2017
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
7.8
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Openbsd · Openbsd
5.8; 5.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-6240
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-6240
Release Notes
http://www.openbsd.org/errata58.html
Release Notes
http://www.openbsd.org/errata59.html
Mailing List
http://www.openwall.com/lists/oss-security/2016/07/14/5
Exploit
http://www.openwall.com/lists/oss-security/2016/07/17/7
www.securityfocus.com
http://www.securityfocus.com/bid/91805
www.securitytracker.com
http://www.securitytracker.com/id/1036318
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