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    CVE-2019-18182

    pacman before 5.2 is vulnerable to arbitrary command injection in conf.c in the download_with_xfercommand() function. This can be exploited when unsigned databases are used. To exploit the vulnerability, the user must enable a non-default XferCommand and retrieve an attacker-controlled crafted database and package.

    Published:Feb 24, 2020
    Last Modified:Nov 21, 2024
    EPS:Feb 24, 2020
    EPSS Score:0.07867
    CVSS Score:9.8

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Pacman Project
    Product
    Pacman

    Exploits

    https://git.archlinux.org/pacman.git/tree/src/pacman/conf.c?h=v5.1.3#n263https://git.archlinux.org/pacman.git/tree/src/pacman/conf.c?h=v5.1.3#n263

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    References

    https://git.archlinux.org/pacman.git/commit/?id=808a4f15ce82d2ed7eeb06de73d0f313620558ee
    https://git.archlinux.org/pacman.git/tree/src/pacman/conf.c?h=v5.1.3#n263
    https://github.com/alpinelinux/alpine-secdb/blob/master/v3.11/community.yaml
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2TTUXXUW5OCOASIRMJK4RHEPLEA33Y6C/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K53C45EDWBU3UCN3IRIGR5EZUNWXS7BW/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KIDJ4XKBZRRVRFFGKUA3ZU6NFIP5JUG3/
    https://git.archlinux.org/pacman.git/commit/?id=808a4f15ce82d2ed7eeb06de73d0f313620558ee
    https://git.archlinux.org/pacman.git/tree/src/pacman/conf.c?h=v5.1.3#n263
    https://github.com/alpinelinux/alpine-secdb/blob/master/v3.11/community.yaml
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2TTUXXUW5OCOASIRMJK4RHEPLEA33Y6C/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K53C45EDWBU3UCN3IRIGR5EZUNWXS7BW/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KIDJ4XKBZRRVRFFGKUA3ZU6NFIP5JUG3/

    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