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    CVE-2022-2652

    Depending on the way the format strings in the card label are crafted it's possible to leak kernel stack memory. There is also the possibility for DoS due to the v4l2loopback kernel module crashing when providing the card label on request (reproduce e.g. with many %s modifiers in a row).

    Published:Aug 4, 2022
    Last Modified:Nov 21, 2024
    EPS:Aug 4, 2022
    EPSS Score:0.0003
    CVSS Score:6

    Affected Products

    Vendor
    V4l2loopback Project
    Product
    V4l2loopback

    Exploits

    https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-135 Format String Injection
    CAPEC-67 String Format Overflow in syslog()

    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