3.3
LOW
CVE-2018-18386
Linux TIOCINQ Pseudo Terminal Denial of Service
Description

drivers/tty/n_tty.c in the Linux kernel before 4.14.11 allows local attackers (who are able to access pseudo terminals) to hang/block further usage of any pseudo terminal devices due to an EXTPROC versus ICANON confusion in TIOCINQ.

INFO

Published Date :

Oct. 17, 2018, 8:29 p.m.

Last Modified :

Nov. 21, 2024, 3:55 a.m.

Remotely Exploitable :

No

Impact Score :

1.4

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2018-18386 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 Linux linux_kernel
1 Canonical ubuntu_linux

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-2018-18386 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-18386 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. 23, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:0831 [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 07, 2019

    Action Type Old Value New Value
    Changed Reference Type https://usn.ubuntu.com/3849-1/ No Types Assigned https://usn.ubuntu.com/3849-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3849-2/ No Types Assigned https://usn.ubuntu.com/3849-2/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
  • CVE Modified by [email protected]

    Jan. 15, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3849-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 21, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3849-2/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 06, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.11 Patch, Release Notes, Third Party Advisory
    Changed Reference Type https://github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348 No Types Assigned https://github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348 Patch, Third Party Advisory
    Changed Reference Type https://bugzilla.suse.com/show_bug.cgi?id=1094825 No Types Assigned https://bugzilla.suse.com/show_bug.cgi?id=1094825 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966031f340185eddd05affcf72b740549f056348 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966031f340185eddd05affcf72b740549f056348 Patch, Vendor Advisory
    Added CWE CWE-704
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.14.11
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-2018-18386 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-2018-18386 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

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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