CVE-2020-14314
"Ext4 File System Directory Indexing Out-of-Bounds Read"
Description
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.
INFO
Published Date :
Sept. 15, 2020, 8:15 p.m.
Last Modified :
Nov. 7, 2023, 3:17 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2020-14314 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2020-14314
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.
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-2020-14314.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14314 | Issue Tracking Third Party Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5872331b3d91820e14716632ebb56b1399b34fe1 | Patch Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html | Mailing List Third Party Advisory |
| https://lore.kernel.org/linux-ext4/f53e246b-647c-64bb-16ec-135383c70ad7%40redhat.com/T/#u | |
| https://usn.ubuntu.com/4576-1/ | Third Party Advisory |
| https://usn.ubuntu.com/4578-1/ | Third Party Advisory |
| https://usn.ubuntu.com/4579-1/ | Third Party Advisory |
| https://www.starwindsoftware.com/security/sw-20210325-0003/ | Third Party 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).
Map Vulnerabilities into Different Layers of the Container Image
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-14314 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-14314 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]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lore.kernel.org/linux-ext4/f53e246b-647c-64bb-16ec-135383c70ad7%40redhat.com/T/#u [No types assigned] Removed Reference Red Hat, Inc. https://lore.kernel.org/linux-ext4/[email protected]/T/#u Removed CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H -
Reanalysis by [email protected]
Oct. 25, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:starwindsoftware:starwind_virtual_san:-:*:*:*:*:vsphere:*:* OR *cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12533:*:*:*:vsphere:*:* *cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12658:*:*:*:vsphere:*:* *cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12859:*:*:*:vsphere:*:* *cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13170:*:*:*:vsphere:*:* *cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13586:*:*:*:vsphere:*:* *cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13861:*:*:*:vsphere:*:* -
Modified Analysis by [email protected]
Oct. 14, 2022
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List, Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4576-1/ No Types Assigned https://usn.ubuntu.com/4576-1/ Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4578-1/ No Types Assigned https://usn.ubuntu.com/4578-1/ Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4579-1/ No Types Assigned https://usn.ubuntu.com/4579-1/ Third Party Advisory Changed Reference Type https://www.starwindsoftware.com/security/sw-20210325-0003/ No Types Assigned https://www.starwindsoftware.com/security/sw-20210325-0003/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* Added CPE Configuration OR *cpe:2.3:a:starwindsoftware:starwind_virtual_san:-:*:*:*:*:vsphere:*:* -
CVE Modified by [email protected]
Oct. 11, 2022
Action Type Old Value New Value Added Reference https://www.starwindsoftware.com/security/sw-20210325-0003/ [No Types Assigned] -
CVE Modified by [email protected]
Nov. 02, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html [No Types Assigned] Added Reference https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 16, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4579-1/ [No Types Assigned] -
CVE Modified by [email protected]
Oct. 16, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4578-1/ [No Types Assigned] -
CVE Modified by [email protected]
Oct. 15, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4576-1/ [No Types Assigned] -
CVE Modified by [email protected]
Sep. 28, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 24, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14314 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14314 Issue Tracking, Third Party Advisory Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5872331b3d91820e14716632ebb56b1399b34fe1 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5872331b3d91820e14716632ebb56b1399b34fe1 Patch, Vendor Advisory Changed Reference Type https://lore.kernel.org/linux-ext4/[email protected]/T/#u No Types Assigned https://lore.kernel.org/linux-ext4/[email protected]/T/#u Vendor Advisory Added CWE NIST CWE-125 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 5.8.9 *cpe:2.3:o:linux:linux_kernel:5.9.0:rc1:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-14314 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-2020-14314
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