Ubuntu.comUB:CVE-2020-25860CVE-2020-25860
7.1 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:H/Au:S/C:C/I:C/A:C
6.6 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
44.9%
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.
References
github.com/rauc/rauc/security/advisories/GHSA-cgf3-h62j-w9vv
launchpad.net/bugs/cve/CVE-2020-25860
nvd.nist.gov/vuln/detail/CVE-2020-25860
security-tracker.debian.org/tracker/CVE-2020-25860
www.cve.org/CVERecord?id=CVE-2020-25860
www.vdoo.com/blog/cve-2020-25860-significant-vulnerability-discovered-rauc-embedded-firmware-update-framework
Related
7.1 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:H/Au:S/C:C/I:C/A:C
6.6 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
44.9%