CVE-2016-1887

7.8 HIGH
Published: May 25, 2016 Modified: May 06, 2026
View on NVD

Description

Integer signedness error in the sockargs function in sys/kern/uipc_syscalls.c in FreeBSD 10.1 before p34, 10.2 before p17, and 10.3 before p3 allows local users to cause a denial of service (memory overwrite and kernel panic) or gain privileges via a negative buflen argument, which triggers a heap-based buffer overflow.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://cturt.github.io/sendmsg.html
Source: cve@mitre.org
Exploit
http://cturt.github.io/sendmsg.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
http://www.securitytracker.com/id/1035906
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:19.sendmsg.asc
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.4%
59th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

freebsd