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CVE-2020-25860

nvd nist
Published: Dec 21, 2020Modified: Jun 17, 2026

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6.6
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Exploitability: 0.7 / Impact: 5.9
Source: NVD

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.

Affected (1)

Products: Pengutronix: Rauc
Pengutronix
1 product
Rauc
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Rauc
Before 1.5

Related CWEs

CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.

References (4)

Source: vuln@vdoo.com
ExploitThird Party Advisory
Source: vuln@vdoo.com
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory

Timeline

No history available yet.