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    CVE-2023-7158

    A vulnerability was found in MicroPython up to 1.21.0. It has been classified as critical. Affected is the function slice_indices of the file objslice.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.22.0 is able to address this issue. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-249180.

    Published:Dec 29, 2023
    Last Modified:Feb 13, 2025
    EPS:Dec 29, 2023
    EPSS Score:0.00245
    CVSS Score:7.3

    Affected Products

    Vendor
    Micropython
    Product
    Micropython

    Exploits

    https://github.com/micropython/micropython/issues/13007https://github.com/micropython/micropython/issues/13007

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    References

    https://github.com/micropython/micropython/issues/13007
    https://github.com/micropython/micropython/pull/13039
    https://github.com/micropython/micropython/pull/13039/commits/f397a3ec318f3ad05aa287764ae7cef32202380f
    https://github.com/micropython/micropython/releases/tag/v1.22.0
    https://lists.fedoraproject.org/archives/list/[email protected]/message/4E2HYWCZB5R4SHY4SZZZSFDMD64N4SOZ/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/D3WWY5JY4RTJE25APB4REGDUDPATG6H7/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/TEK46QAJOXXDZOWOIE2YACUOCZFWOBCK/
    https://vuldb.com/?ctiid.249180
    https://vuldb.com/?id.249180
    https://github.com/micropython/micropython/issues/13007
    https://github.com/micropython/micropython/pull/13039
    https://github.com/micropython/micropython/pull/13039/commits/f397a3ec318f3ad05aa287764ae7cef32202380f
    https://github.com/micropython/micropython/releases/tag/v1.22.0
    https://lists.fedoraproject.org/archives/list/[email protected]/message/4E2HYWCZB5R4SHY4SZZZSFDMD64N4SOZ/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/D3WWY5JY4RTJE25APB4REGDUDPATG6H7/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/TEK46QAJOXXDZOWOIE2YACUOCZFWOBCK/
    https://vuldb.com/?ctiid.249180
    https://vuldb.com/?id.249180

    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