CVE-2018-10900

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    CVE-2018-10900

    Published: 26 Jul 2018Last Modified: 9 Sept 2026

    Summary:

    Details: Network Manager VPNC plugin (aka networkmanager-vpnc) before version 1.2.6 is vulnerable to a privilege escalation attack. A new line character can be used to inject a Password helper parameter into the configuration data passed to VPNC, allowing an attacker to execute arbitrary commands as root.

    References: https://download.gnome.org/sources/NetworkManager-vpnc/1.2/NetworkManager-vpnc-1.2.6.news, https://lists.debian.org/debian-lts-announce/2018/07/msg00048.html, https://security.gentoo.org/glsa/201808-03, https://www.debian.org/security/2018/dsa-4253, https://bugzilla.novell.com/show_bug.cgi?id=1101147, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10900, https://gitlab.gnome.org/GNOME/NetworkManager-vpnc/commit/07ac18a32b4, https://pulsesecurity.co.nz/advisories/NM-VPNC-Privesc, https://www.exploit-db.com/exploits/45313/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -0001318d9ffc66f003d8270ef7485f07b195616b

    Affected versions

    1.2.5-dev
    1.2.4
    1.2.3-dev
    1.2.2
    1.2.1-dev
    1.2.0

    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