7.2
HIGH
CVE-2014-0998
FreeBSD Newcons Integer Signedness Error Denial of Service Privilege Escalation Vulnerability
Description

Integer signedness error in the vt console driver (formerly Newcons) in FreeBSD 9.3 before p10 and 10.1 before p6 allows local users to cause a denial of service (crash) and possibly gain privileges via a negative value in a VT_WAITACTIVE ioctl call, which triggers an array index error and out-of-bounds kernel memory access.

INFO

Published Date :

Feb. 2, 2015, 4:59 p.m.

Last Modified :

Oct. 9, 2018, 7:42 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

10.0

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2014-0998 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
: Total Affected Vendor : 1 | Products : 1
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-2014-0998.

URL Resource
http://seclists.org/fulldisclosure/2015/Jan/107 Exploit
http://www.coresecurity.com/advisories/freebsd-kernel-multiple-vulnerabilities Exploit
http://www.securityfocus.com/archive/1/534563/100/0/threaded
https://www.freebsd.org/security/advisories/FreeBSD-EN-15:01.vt.asc

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-2014-0998 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2014-0998 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]

    Oct. 09, 2018

    Action Type Old Value New Value
    Removed Reference http://www.securityfocus.com/archive/1/archive/1/534563/100/0/threaded [Exploit]
    Added Reference http://www.securityfocus.com/archive/1/534563/100/0/threaded [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 14, 2015

    Action Type Old Value New Value
    Changed Description Integer signedness error in the vt console driver (formerly Newcons) in FreeBSD 10.1 allows local users to cause a denial of service (crash) and possibly gain privileges via a negative value in a VT_WAITACTIVE ioctl call, which triggers an array index error and out-of-bounds kernel memory access. Integer signedness error in the vt console driver (formerly Newcons) in FreeBSD 9.3 before p10 and 10.1 before p6 allows local users to cause a denial of service (crash) and possibly gain privileges via a negative value in a VT_WAITACTIVE ioctl call, which triggers an array index error and out-of-bounds kernel memory access.
    Added Reference https://www.freebsd.org/security/advisories/FreeBSD-EN-15:01.vt.asc
  • Modified Analysis by [email protected]

    Feb. 04, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:o:freebsd:freebsd:10.1:*:*:*:*:*:*:*
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Changed Reference Type http://www.securityfocus.com/archive/1/archive/1/534563/100/0/threaded No Types Assigned http://www.securityfocus.com/archive/1/archive/1/534563/100/0/threaded Exploit
    Changed Reference Type http://seclists.org/fulldisclosure/2015/Jan/107 No Types Assigned http://seclists.org/fulldisclosure/2015/Jan/107 Exploit
    Changed Reference Type http://www.coresecurity.com/advisories/freebsd-kernel-multiple-vulnerabilities No Types Assigned http://www.coresecurity.com/advisories/freebsd-kernel-multiple-vulnerabilities Exploit
    Added CWE CWE-189
  • Initial Analysis by [email protected]

    Feb. 03, 2015

    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-2014-0998 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-2014-0998 weaknesses.

Exploit Prediction

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

0.04 }} 0.00%

score

0.05635

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability
: