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    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:Dec 21, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 21, 2020
    EPSS Score:0.00493
    CVSS Score:6.6

    Affected Products

    Vendor
    Pengutronix
    Product
    Rauc

    Exploits

    https://github.com/rauc/rauc/security/advisories/GHSA-cgf3-h62j-w9vvhttps://www.vdoo.com/blog/cve-2020-25860-significant-vulnerability-discovered-rauc-embedded-firmware-update-frameworkhttps://github.com/rauc/rauc/security/advisories/GHSA-cgf3-h62j-w9vvhttps://www.vdoo.com/blog/cve-2020-25860-significant-vulnerability-discovered-rauc-embedded-firmware-update-frameworkhttps://github.com/rauc/rauc-1.5-integration

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High