CVE-2016-1886
FreeBSD Vulnerability: Integer signedness error in genkbd_commonioctl
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."
INFO
Published Date :
May 25, 2016, 3:59 p.m.
Last Modified :
April 20, 2017, 1:59 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2016-1886.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-1886 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-1886 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 20, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/90734 [No Types Assigned] -
Modified Analysis by [email protected]
May. 26, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:o:freebsd:freebsd:10.3:*:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:10.2:*:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:10.1:*:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:9.3:*:*:*:*:*:*:* Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://security.FreeBSD.org/patches/SA-16:18/atkbd.patch No Types Assigned https://security.FreeBSD.org/patches/SA-16:18/atkbd.patch Patch Changed Reference Type https://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc No Types Assigned https://www.freebsd.org/security/advisories/FreeBSD-SA-16:18.atkbd.asc Advisory Changed Reference Type http://cturt.github.io/SETFKEY.html No Types Assigned http://cturt.github.io/SETFKEY.html Exploit Added CWE CWE-119 -
Initial Analysis by [email protected]
May. 25, 2016
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-1886 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2016-1886
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.00%
score
0.23458
percentile