Home/CVE/Integer truncation error in the amap_alloc function in OpenBSD 5.8 and 5.9 allows local users to execute arbitrary code
CVE

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

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.

HIGH · CVSS 7.8 EPSS 0.00138
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

1
openbsdall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Mar 2017 · 04:59 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openbsd.org/errata58.htmlRelease Notes
http://www.openbsd.org/errata59.htmlRelease Notes
http://www.openwall.com/lists/oss-security/2016/07/14/5Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/17/7ExploitMailing ListThird Party Advisory
http://www.securityfocus.com/bid/91805
http://www.securitytracker.com/id/1036318
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