CVE Vulnerability

CVE-2020-25860

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.

7.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

6.6 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.7 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link 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
Configurations

Configuration 1

cpe:2.3:a:pengutronix:rauc:*:*:*:*:*:*:*:*
Information

Published : 2020-12-21 06:15

Updated : 2020-12-29 02:36

NVD link : CVE-2020-25860

Mitre link : CVE-2020-25860

Products Affected
No products.
CWE
CWE-367