7.8
HIGH
CVE-2016-1887
FreeBSD Socket Integer Signedness Error Buffer Overflow
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.

INFO

Published Date :

May 25, 2016, 3:59 p.m.

Last Modified :

May 26, 2016, 1:19 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2016-1887 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Freebsd freebsd
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-2016-1887.

URL Resource
http://cturt.github.io/sendmsg.html Exploit
http://www.securitytracker.com/id/1035906
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:19.sendmsg.asc Vendor Advisory

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-2016-1887 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-1887 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
  • 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:*:*:*:*:*:*:*
    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/advisories/FreeBSD-SA-16:19.sendmsg.asc No Types Assigned https://security.FreeBSD.org/advisories/FreeBSD-SA-16:19.sendmsg.asc Advisory
    Changed Reference Type http://cturt.github.io/sendmsg.html No Types Assigned http://cturt.github.io/sendmsg.html Exploit
    Added CWE CWE-264
  • Initial Analysis by [email protected]

    May. 25, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-1887 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-2016-1887 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.00%

score

0.28423

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability