VulnerabilityModified
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.
HIGH 7.8EPSS 0.60%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.60% probability · 47th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- openbsd/openbsd
- Source
- cve@mitre.org
References
- 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 List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/17/7Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/91805
- http://www.securitytracker.com/id/1036318
- 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 List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/17/7Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/91805
- http://www.securitytracker.com/id/1036318
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.