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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 64.7%
CVSS Severity
CVSS v3 Score 6.6
CVSS v2 Score 7.1
References
- https://github.com/rauc/rauc/security/advisories/GHSA-cgf3-h62j-w9vv
- https://www.vdoo.com/blog/cve-2020-25860-significant-vulnerability-discovered-rauc-embedded-firmware-update-framework
- https://github.com/rauc/rauc/security/advisories/GHSA-cgf3-h62j-w9vv
- https://www.vdoo.com/blog/cve-2020-25860-significant-vulnerability-discovered-rauc-embedded-firmware-update-framework
Products affected by CVE-2020-25860
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cpe:2.3:a:pengutronix:rauc:0.1
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cpe:2.3:a:pengutronix:rauc:0.1.1
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cpe:2.3:a:pengutronix:rauc:0.2
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cpe:2.3:a:pengutronix:rauc:0.3
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cpe:2.3:a:pengutronix:rauc:0.4
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cpe:2.3:a:pengutronix:rauc:1.0
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cpe:2.3:a:pengutronix:rauc:1.1
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cpe:2.3:a:pengutronix:rauc:1.2
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cpe:2.3:a:pengutronix:rauc:1.3
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cpe:2.3:a:pengutronix:rauc:1.4