Vulnerability Details : 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.
Published 2020-12-21 18:15:15
Updated 2020-12-29 14:37:00
Source VDOO Connected Trust Ltd.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-25860

EPSS FAQ
0.17%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-25860

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.1
 HIGH AV:N/AC:H/Au:S/C:C/I:C/A:C
3.9
10.0
 NIST
6.6
 MEDIUM CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
0.7
5.9
 NIST

CWE ids for CVE-2020-25860

  • 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.
    Assigned by:
    • nvd@nist.gov (Primary)
    • vuln@vdoo.com (Secondary)

References for CVE-2020-25860

Products affected by CVE-2020-25860

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