UBUNTU-CVE-2017-7794

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    UBUNTU-CVE-2017-7794

    Published: 10 Aug 2017Last Modified: 22 Apr 2026
    Upstream:
    CVE-2017-7794
    Aliases:
    USN-3391-1

    Summary:

    Details: On Linux systems, if the content process is compromised, the sandbox broker will allow files to be truncated even though the sandbox explicitly only has read access to the local file system and no write permissions. Note: This attack only affects the Linux operating system. Other operating systems are not affected. This vulnerability affects Firefox < 55.

    References: https://ubuntu.com/security/CVE-2017-7794, https://ubuntu.com/security/notices/USN-3391-1, https://www.cve.org/CVERecord?id=CVE-2017-7794

    Affected packages

    Package

    Name: firefox

    Purl: pkg:deb/ubuntu/[email protected]+build2-0ubuntu0.14.04.2?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -55.0.1+build2-0ubuntu0.14.04.2

    Affected versions

    24.0+build1-0ubuntu1

    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