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CVE-2020-25860

Published: Dec 21, 2020Updated: Nov 21, 2024 Sources: CVE List NVDCWE-367
NVD MITRE
6.6CVSSMEDIUM
EPSS Score
1.4%
Top 30.7%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:NAC:HPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-367

Affected Products

raucpengutronix
Embedded
Hardware Firmware / bios-uefi
Pengutronix RAUCn/a
pengutronixcommercialDEHardware Firmwareaka pengutronix barebox, rauc

Attack Graph

Products CVE Techniques Tactics

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Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://github.com/rauc/rauc/security/advisories/GHSA-cgf3-h62j-w9vv
github.com
https://www.vdoo.com/blog/cve-2020-25860-significant-vulnerability-discovered-rauc-embedded-firmware-update-framework
vdoo.com

Timeline

Published
Dec 21, 2020
Last Updated
Nov 21, 2024

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