CVE-2020-25860
Pengutronix RAUC TOCTOU Signatures
Description
The install.c module in the Pengutronix RAUC update client prior to version 1.5 has a Time-of-Check Time-of-Use vulnerability, where signature verification on an update file takes place before the file is reopened for installation. An attacker who can modify the update file just before it is reopened can install arbitrary code on the device.
INFO
Published Date :
Dec. 21, 2020, 6:15 p.m.
Last Modified :
Nov. 21, 2024, 5:18 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Public PoC/Exploit Available at Github
CVE-2020-25860 has a 5 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2020-25860.
| URL | Resource |
|---|---|
| https://github.com/rauc/rauc/security/advisories/GHSA-cgf3-h62j-w9vv | Exploit Third Party Advisory |
| https://www.vdoo.com/blog/cve-2020-25860-significant-vulnerability-discovered-rauc-embedded-firmware-update-framework | Exploit Third Party Advisory |
| https://github.com/rauc/rauc/security/advisories/GHSA-cgf3-h62j-w9vv | Exploit Third Party Advisory |
| https://www.vdoo.com/blog/cve-2020-25860-significant-vulnerability-discovered-rauc-embedded-firmware-update-framework | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-25860 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-2020-25860
weaknesses.
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).
None
2020年发布到阿尔法实验室微信公众号的所有安全资讯汇总
None
Collection of writeups on ICS/SCADA security.
ics ics-security scada scada-security awesome writeups infosec hacking hardware-hacking awesome-list
integration examples for the CVE-2020-25860 fix
Makefile Shell BitBake PHP C++
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-25860 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-25860 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/rauc/rauc/security/advisories/GHSA-cgf3-h62j-w9vv Added Reference https://www.vdoo.com/blog/cve-2020-25860-significant-vulnerability-discovered-rauc-embedded-firmware-update-framework -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Dec. 29, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:pengutronix:rauc:1.5:*:*:*:*:*:*:* OR *cpe:2.3:a:pengutronix:rauc:*:*:*:*:*:*:*:* versions up to (excluding) 1.5 -
Initial Analysis by [email protected]
Dec. 23, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:H/Au:S/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/rauc/rauc/security/advisories/GHSA-cgf3-h62j-w9vv No Types Assigned https://github.com/rauc/rauc/security/advisories/GHSA-cgf3-h62j-w9vv Exploit, Third Party Advisory Changed Reference Type https://www.vdoo.com/blog/cve-2020-25860-significant-vulnerability-discovered-rauc-embedded-firmware-update-framework No Types Assigned https://www.vdoo.com/blog/cve-2020-25860-significant-vulnerability-discovered-rauc-embedded-firmware-update-framework Exploit, Third Party Advisory Added CWE NIST CWE-367 Added CPE Configuration OR *cpe:2.3:a:pengutronix:rauc:1.5:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 6.6
Base CVSS Score: 7.1
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.49 }} -4.99%
score
0.62880
percentile