CVE-2020-25212
Linux Kernel NFS TOCTOU Race Condition
Description
A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.
INFO
Published Date :
Sept. 9, 2020, 4:15 p.m.
Last Modified :
April 28, 2022, 6:32 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.0
Public PoC/Exploit Available at Github
CVE-2020-25212 has a 2 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-2020-25212
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-2020-25212.
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
CVE Data Analysis, CVE Monitor, CVE EXP Prediction Based on Deep Learning. 1999-2020年存量CVE数据分析、监控CVE增量更新、基于深度学习的CVE EXP预测和自动化推送
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-2020-25212 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-25212 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]
Apr. 28, 2022
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html Mailing List, Third Party Advisory 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/4525-1/ No Types Assigned https://usn.ubuntu.com/4525-1/ Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4527-1/ No Types Assigned https://usn.ubuntu.com/4527-1/ Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4578-1/ No Types Assigned https://usn.ubuntu.com/4578-1/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* 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:*:*:* -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-367 CWE-367 CWE-787 -
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. 20, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 17, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00035.html [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. 11, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html [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] -
CVE Modified by [email protected]
Sep. 25, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4525-1/ [No Types Assigned] -
CVE Modified by [email protected]
Sep. 23, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4527-1/ [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 14, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.3 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.3 Mailing List, Vendor Advisory Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b4487b93545214a9db8cbf32e86411677b0cca21 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b4487b93545214a9db8cbf32e86411677b0cca21 Mailing List, Patch, Vendor Advisory Changed Reference Type https://twitter.com/grsecurity/status/1303370421958578179 No Types Assigned https://twitter.com/grsecurity/status/1303370421958578179 Third Party Advisory Added CWE NIST CWE-367 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.8.3
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-25212 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-2020-25212
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