CVE-2016-1886
Published May 25, 2016
Last updated 8 years ago
Overview
- Description
- Integer signedness error in the genkbd_commonioctl function in sys/dev/kbd/kbd.c in FreeBSD 9.3 before p42, 10.1 before p34, 10.2 before p17, and 10.3 before p3 allows local users to obtain sensitive information from kernel memory, cause a denial of service (memory overwrite and kernel crash), or gain privileges via a negative value in the flen structure member in the arg argument in a SETFKEY ioctl call, which triggers a "two way heap and stack overflow."
- Source
- cve@mitre.org
- NVD status
- Modified
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 7.8
- Impact score
- 5.9
- Exploitability score
- 1.8
- Vector string
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 7.2
- Impact score
- 10
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
- nvd@nist.gov
- CWE-119
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:freebsd:freebsd:9.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "57052F01-8695-4C63-A947-7671375B9312"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:10.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F6D63B21-9D2E-4B15-9E60-6181D44B1F55"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:10.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "21EFF723-7B5A-4712-8A6B-56CADAA4BFD5"
},
{
"criteria": "cpe:2.3:o:freebsd:freebsd:10.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E102E760-362C-4DC7-BDED-E2CF9F94ECE7"
}
],
"operator": "OR"
}
]
}
]