CVE-2020-8648
"Linux Kernel N_TTY Receive Buffer Use-After-Free Vulnerability"
Description
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
INFO
Published Date :
Feb. 6, 2020, 1:15 a.m.
Last Modified :
July 28, 2022, 12:08 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.2
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2020-8648 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-2020-8648
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-2020-8648.
| URL | Resource |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html | Mailing List Third Party Advisory |
| https://bugzilla.kernel.org/show_bug.cgi?id=206361 | Exploit Issue Tracking Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20200924-0004/ | Third Party Advisory |
| https://usn.ubuntu.com/4342-1/ | Third Party Advisory |
| https://usn.ubuntu.com/4344-1/ | Third Party Advisory |
| https://usn.ubuntu.com/4345-1/ | Third Party Advisory |
| https://usn.ubuntu.com/4346-1/ | Third Party Advisory |
| https://www.debian.org/security/2020/dsa-4698 | 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-2020-8648 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-8648 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]
Jul. 28, 2022
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html Mailing List, Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20200924-0004/ No Types Assigned https://security.netapp.com/advisory/ntap-20200924-0004/ Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4342-1/ No Types Assigned https://usn.ubuntu.com/4342-1/ Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4344-1/ No Types Assigned https://usn.ubuntu.com/4344-1/ Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4345-1/ No Types Assigned https://usn.ubuntu.com/4345-1/ Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4346-1/ No Types Assigned https://usn.ubuntu.com/4346-1/ Third Party Advisory Changed Reference Type https://www.debian.org/security/2020/dsa-4698 No Types Assigned https://www.debian.org/security/2020/dsa-4698 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* *cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:* *cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:* 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:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* -
CVE Modified by [email protected]
Sep. 24, 2020
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20200924-0004/ [No Types Assigned] -
CVE Modified by [email protected]
Jun. 10, 2020
Action Type Old Value New Value Added Reference https://www.debian.org/security/2020/dsa-4698 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 10, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html [No Types Assigned] Added Reference https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 10, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html [No Types Assigned] -
CVE Modified by [email protected]
May. 06, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4346-1/ [No Types Assigned] -
CVE Modified by [email protected]
May. 05, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4342-1/ [No Types Assigned] -
CVE Modified by [email protected]
May. 04, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4345-1/ [No Types Assigned] -
CVE Modified by [email protected]
May. 01, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4344-1/ [No Types Assigned] -
CVE Modified by [email protected]
Mar. 13, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 06, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H Changed Reference Type https://bugzilla.kernel.org/show_bug.cgi?id=206361 No Types Assigned https://bugzilla.kernel.org/show_bug.cgi?id=206361 Exploit, Issue Tracking, Vendor Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 5.5.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-8648 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-2020-8648
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.00%
score
0.30645
percentile